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  <xsd:element id="tyc_Adjustmentweightedaverage" name="Adjustmentweightedaverage" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_Amountstransferredfromamortizationofnetactuariallossesandincludedinincomefromdiscontinuedoperations" name="Amountstransferredfromamortizationofnetactuariallossesandincludedinincomefromdiscontinuedoperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_AnnualDividendPerShareApprovedCommonStock" name="AnnualDividendPerShareApprovedCommonStock" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_AnticipatedPurchasePrice" name="AnticipatedPurchasePrice" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tyc_AsbestosAssetsgross" name="AsbestosAssetsgross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tyc_AsbestosContingenciesAndInsuranceReceivablesPolicyTextBlock" name="AsbestosContingenciesAndInsuranceReceivablesPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_AsbestosLiabilityreservenet" name="AsbestosLiabilityreservenet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tyc_AsbestosMattersMember" name="AsbestosMattersMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_Asbestosliabilityreservegross" name="Asbestosliabilityreservegross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tyc_Asbestosrelatedcharge" name="Asbestosrelatedcharge" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_Asbestosvaluationadjustment" name="Asbestosvaluationadjustment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_AssetandLiabilityAccountsAxis" name="AssetandLiabilityAccountsAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_AssetandLiabilityAccountsDomain" name="AssetandLiabilityAccountsDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_AtkoreMember" name="AtkoreMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_AuthorizedShareCapitalCommonandPreferred" name="AuthorizedShareCapitalCommonandPreferred" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tyc_BasisOfPresentationLineItems" name="BasisOfPresentationLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_BasisOfPresentationTable" name="BasisOfPresentationTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_CaliforniaWageLitigationAgainstGrinnellMember" name="CaliforniaWageLitigationAgainstGrinnellMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_CashContributedtoYarwayTrust" name="CashContributedtoYarwayTrust" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_CashDivestedfromDivestiture" name="CashDivestedfromDivestiture" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_CashEquivalentsMaturityPeriodMaximum" name="CashEquivalentsMaturityPeriodMaximum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_CashandotherassetstransferredtoQSF" name="CashandotherassetstransferredtoQSF" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_ChargebackPolicyNumberofMonthsHighEndoftheRange" name="ChargebackPolicyNumberofMonthsHighEndoftheRange" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ChargebackPolicyNumberofMonthsLowEndoftheRange" name="ChargebackPolicyNumberofMonthsLowEndoftheRange" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_Chargerelatedtofinalizationofaudits" name="Chargerelatedtofinalizationofaudits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_ChargerelatingtoSimplexGrinnellwageclaimsettlementsandrulings" name="ChargerelatingtoSimplexGrinnellwageclaimsettlementsandrulings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_ChargesreflectedinrestructuringandassetimpairmentchargesnetDomain" name="ChargesreflectedinrestructuringandassetimpairmentchargesnetDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_CommercialSubscriberPoolsMember" name="CommercialSubscriberPoolsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_CommonStockDividendsInstallmentAmountPerShare" name="CommonStockDividendsInstallmentAmountPerShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_ComponentsOfAccumulatedOtherComprehensiveIncomeLossRollForward" name="ComponentsOfAccumulatedOtherComprehensiveIncomeLossRollForward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_CondensedFinancialInformationDisclosureAbstract" name="CondensedFinancialInformationDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_CondensedFinancialStatementsDisclosureTableTextBlock" name="CondensedFinancialStatementsDisclosureTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ContractReceivableRetainageIncludingUnbilledReceivables" name="ContractReceivableRetainageIncludingUnbilledReceivables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tyc_ContractReceivableRetainageIncludingUnbilledReceivablesCurrent" name="ContractReceivableRetainageIncludingUnbilledReceivablesCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tyc_ContractReceivableRetainageUnbilled" name="ContractReceivableRetainageUnbilled" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tyc_ContractsInProcess" name="ContractsInProcess" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tyc_ContractsInProgress" name="ContractsInProgress" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_ContributedSurplusNetMember" name="ContributedSurplusNetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_CorporateAndOtherSegmentMember" name="CorporateAndOtherSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_CorporateDebtSecurities3.375PercentPublicNotesDue2015Member" name="CorporateDebtSecurities3.375PercentPublicNotesDue2015Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_CorporateDebtSecurities3.75PercentPublicNotesDue2018Member" name="CorporateDebtSecurities3.75PercentPublicNotesDue2018Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_CorporateDebtSecurities4.125PercentPublicNotesDue2014Member" name="CorporateDebtSecurities4.125PercentPublicNotesDue2014Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_CorporateDebtSecurities4.625PercentPublicNotesDue2023Member" name="CorporateDebtSecurities4.625PercentPublicNotesDue2023Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_CorporateDebtSecurities6.875PercentPublicNotesDue2021Member" name="CorporateDebtSecurities6.875PercentPublicNotesDue2021Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_CorporateDebtSecurities6PercentPublicNotesDue2013Member" name="CorporateDebtSecurities6PercentPublicNotesDue2013Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_CorporateDebtSecurities7PercentPublicNotesDue2019Member" name="CorporateDebtSecurities7PercentPublicNotesDue2019Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_CorporateDebtSecurities8.5PercentPublicNotesDue2019Member" name="CorporateDebtSecurities8.5PercentPublicNotesDue2019Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_CumulativeGainLossOnDesignationOfIntercompanyLoansAsPermanent" name="CumulativeGainLossOnDesignationOfIntercompanyLoansAsPermanent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_DSUMember" name="DSUMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_DealerIntangiblesMember" name="DealerIntangiblesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_DebtWeightedAverageInterestRateExcludingImpactofInterestRateSwaps" name="DebtWeightedAverageInterestRateExcludingImpactofInterestRateSwaps" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="tyc_DecreaseInInsurableLiabilitiesImpactOfRiskFreeRateOfReturn" name="DecreaseInInsurableLiabilitiesImpactOfRiskFreeRateOfReturn" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_DeferredIncomeTaxExpenseBenefits" name="DeferredIncomeTaxExpenseBenefits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_DeferredTaxAssetsTaxLossAndCreditCarryforwards" name="DeferredTaxAssetsTaxLossAndCreditCarryforwards" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tyc_DefinedBenefitPlanAcquisitionsDivestituresBenefitObligation" name="DefinedBenefitPlanAcquisitionsDivestituresBenefitObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_DefinedBenefitPlanAcquisitionsDivestituresPlanAssets" name="DefinedBenefitPlanAcquisitionsDivestituresPlanAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_DefinedBenefitPlanCurtailmentsSettlementsSpecialTerminationBenefitsChangesBenefitObligation" name="DefinedBenefitPlanCurtailmentsSettlementsSpecialTerminationBenefitsChangesBenefitObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_DefinedBenefitPlanEmployersMinimumRequiredContributionsInCurrentFiscalYear" name="DefinedBenefitPlanEmployersMinimumRequiredContributionsInCurrentFiscalYear" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_DiscontinuedOperationSeparationChargesOfDiscontinuedOperationBeforeIncomeTax" name="DiscontinuedOperationSeparationChargesOfDiscontinuedOperationBeforeIncomeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesAndOtherCurrentAssets" name="DisposalGroupIncludingDiscontinuedOperationPrepaidExpensesAndOtherCurrentAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tyc_DisposalGroupNotDiscontinuedOperationWorkingCapitalAdjustment" name="DisposalGroupNotDiscontinuedOperationWorkingCapitalAdjustment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_DivestituresLineItems" name="DivestituresLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_EarningsPerShareAmountPerShareAbstract" name="EarningsPerShareAmountPerShareAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_Effectofincomefromcontinuingoperationsbeforeincometaxespersharefromchangeinlookforwardperiod" name="Effectofincomefromcontinuingoperationsbeforeincometaxespersharefromchangeinlookforwardperiod" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_Effectofnetincomepersharefromchangeinlookforwardperiod" name="Effectofnetincomepersharefromchangeinlookforwardperiod" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_EnvironmentalCostsByTypeAxis" name="EnvironmentalCostsByTypeAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_EnvironmentalCostsByTypeDomain" name="EnvironmentalCostsByTypeDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_EnvironmentalMattersAbstract" name="EnvironmentalMattersAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_EnvironmentalMattersMember" name="EnvironmentalMattersMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_EquitySecuritiesNonUSMember" name="EquitySecuritiesNonUSMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_EquitySecuritiesUSMember" name="EquitySecuritiesUSMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_EuropeMiddleEastandAfricaMember" name="EuropeMiddleEastandAfricaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_ExacqTechnologiesMember" name="ExacqTechnologiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_FairValueDebtSubjectToFairValueMeasurementFairValueActivelyTraded" name="FairValueDebtSubjectToFairValueMeasurementFairValueActivelyTraded" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tyc_FairValuePensionPlanAssetsUsingNetAssetValueOrItsEquivalent" name="FairValuePensionPlanAssetsUsingNetAssetValueOrItsEquivalent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tyc_FinanceSubsidiariesMember" name="FinanceSubsidiariesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_FiniteLivedIntangibleAssetsAmortizationExpenseListItemsAbstract" name="FiniteLivedIntangibleAssetsAmortizationExpenseListItemsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_FootFallMember" name="FootFallMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_FormerCEOMember" name="FormerCEOMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_FormerCFOMember" name="FormerCFOMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_FormerElectronicsSubsidiaryMember" name="FormerElectronicsSubsidiaryMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_FormerHealthcareAndElectronicsSubsidiaryMember" name="FormerHealthcareAndElectronicsSubsidiaryMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_FormerHealthcareSubsidiaryMember" name="FormerHealthcareSubsidiaryMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_FutureAmortizationExpenseAfterYearFour" name="FutureAmortizationExpenseAfterYearFour" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tyc_Gainrelatingtofinalizationofvariousaudits" name="Gainrelatingtofinalizationofvariousaudits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_GlobalProductsSegmentMember" name="GlobalProductsSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_GoodwillAcquiredAndPurchaseAccountingAdjustments" name="GoodwillAcquiredAndPurchaseAccountingAdjustments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_GovernmentAndGovernmentAgencySecuritiesMember" name="GovernmentAndGovernmentAgencySecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_GuaranteeObligationsFormerSubsidiariesFairValue" name="GuaranteeObligationsFormerSubsidiariesFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tyc_GuaranteeObligationsFormerSubsidiariesForCurrentSeparationFairValue" name="GuaranteeObligationsFormerSubsidiariesForCurrentSeparationFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tyc_GuaranteesDisclosureTextBlock" name="GuaranteesDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_ISTMember" name="ISTMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_Impactonincomefromcontinuingoperationsbeforeincometaxesfromchangeinlookforwardperiod" name="Impactonincomefromcontinuingoperationsbeforeincometaxesfromchangeinlookforwardperiod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_Impactonnetincomefromchangeinlookforwardperiod" name="Impactonnetincomefromchangeinlookforwardperiod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_IncomeExpenseUnderTaxSharingAgreement" name="IncomeExpenseUnderTaxSharingAgreement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_IncomeLossFromContinuingOperationsBeforeIncomeAndMinorityInterest" name="IncomeLossFromContinuingOperationsBeforeIncomeAndMinorityInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_IncomeLossFromContinuingOperationsDiluted" name="IncomeLossFromContinuingOperationsDiluted" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_IncomeLossFromContinuingOperationsForeignBeforeIncomeTaxes" name="IncomeLossFromContinuingOperationsForeignBeforeIncomeTaxes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_IncomeLossFromEquityMethodInvestmentsInSubsidiaries" name="IncomeLossFromEquityMethodInvestmentsInSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_IncomeStatementListItemsAbstract" name="IncomeStatementListItemsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_IncomeTaxBenefitExpenseIncomeTaxEstimatedAllowableDeductionsforSharesIssuedtoEmployees" name="IncomeTaxBenefitExpenseIncomeTaxEstimatedAllowableDeductionsforSharesIssuedtoEmployees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_IncomeTaxExaminationAmountofAdditionalTaxDeficiency" name="IncomeTaxExaminationAmountofAdditionalTaxDeficiency" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tyc_IncomeTaxExaminationAmountofDisallowedInterestandRelatedDeductions" name="IncomeTaxExaminationAmountofDisallowedInterestandRelatedDeductions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tyc_IncomeTaxExaminationAmountofEstimatedAdverseImpactonFinancialResults" name="IncomeTaxExaminationAmountofEstimatedAdverseImpactonFinancialResults" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tyc_IncomeTaxExaminationProposedTaxPenalties" name="IncomeTaxExaminationProposedTaxPenalties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tyc_IncomeTaxExpenseChargesforEstimatedAllowableDeductionsforSharesIssuedtoEmployees" name="IncomeTaxExpenseChargesforEstimatedAllowableDeductionsforSharesIssuedtoEmployees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_IncomeTaxExpenseIncomefromEstimatedAllowableDeductionsforSharesIssuedtoEmployees" name="IncomeTaxExpenseIncomefromEstimatedAllowableDeductionsforSharesIssuedtoEmployees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_IncreaseDecreaseInEquityFromParent" name="IncreaseDecreaseInEquityFromParent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_IncreaseDecreaseInIntercompanyLoans" name="IncreaseDecreaseInIntercompanyLoans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_IncreaseDecreaseInPrepaidExpensesAndOtherAssets" name="IncreaseDecreaseInPrepaidExpensesAndOtherAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_IncreaseDecreaseInvestmentInSubsidiaries" name="IncreaseDecreaseInvestmentInSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_IncreaseDecreaseinasbestosinsuranceassets" name="IncreaseDecreaseinasbestosinsuranceassets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_IncreaseDecreaseingrossasbestosliabilities" name="IncreaseDecreaseingrossasbestosliabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_InsurableLiabilities" name="InsurableLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tyc_InsurableLiabilitiesPolicyTextBlock" name="InsurableLiabilitiesPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_InsuranceAssetsMember" name="InsuranceAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_IntangibleAssetsExcludingGoodwillByMajorClassAxis" name="IntangibleAssetsExcludingGoodwillByMajorClassAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_IntangibleAssetsExcludingGoodwillLineItems" name="IntangibleAssetsExcludingGoodwillLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_IntangibleAssetsExcludingGoodwillMajorClassNameDomain" name="IntangibleAssetsExcludingGoodwillMajorClassNameDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_IntercompanyDividendsParent" name="IntercompanyDividendsParent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_IntercompanyDividendsSubsidiary" name="IntercompanyDividendsSubsidiary" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_IntercompanyInterestAndFees" name="IntercompanyInterestAndFees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_IntercompanyLoansDesignatedAsPermanent" name="IntercompanyLoansDesignatedAsPermanent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tyc_IntercompanyLoansPayable" name="IntercompanyLoansPayable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tyc_IntercompanyLoansReceivable" name="IntercompanyLoansReceivable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tyc_IntercompanyPayables" name="IntercompanyPayables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tyc_InvestmentInSubsidiaries" name="InvestmentInSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tyc_LegacyLegalMattersReversal" name="LegacyLegalMattersReversal" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_LegacyMattersAbstract" name="LegacyMattersAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_LettersOfCreditAndBankGuaranteesOutstanding" name="LettersOfCreditAndBankGuaranteesOutstanding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tyc_LiabilitiesOtherMember" name="LiabilitiesOtherMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_LiabilityThresholdUnderTaxSharingAgreement" name="LiabilityThresholdUnderTaxSharingAgreement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tyc_LossContingenciesByLiablePartyAxis" name="LossContingenciesByLiablePartyAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_MarketableEquitySecuritiesMarkToMarketLimit" name="MarketableEquitySecuritiesMarkToMarketLimit" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_MinimumMarginOfDecreaseInGrantedSharePerShare" name="MinimumMarginOfDecreaseInGrantedSharePerShare" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_NetCashPaymentDueToResolutionOfIncomeTaxLiabilities" name="NetCashPaymentDueToResolutionOfIncomeTaxLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_NonPooledSubscriberSystemsMember" name="NonPooledSubscriberSystemsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_NorthAmericaGuardingBusinessMember" name="NorthAmericaGuardingBusinessMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_NorthAmericaSystemsInstallationAndServicesSegmentMember" name="NorthAmericaSystemsInstallationAndServicesSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_NorthAmericaSystemsInstallationAndServicesSegmentRestOfWorldSystemsInstallationAndServicesSegmentMember" name="NorthAmericaSystemsInstallationAndServicesSegmentRestOfWorldSystemsInstallationAndServicesSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_NumberOfAssetCategories" name="NumberOfAssetCategories" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_NumberOfQuarterlyInstallmentsOfDividendPayable" name="NumberOfQuarterlyInstallmentsOfDividendPayable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tyc_NumberOfTypesOfTransactionsForWhichRevenueIsRecognized" name="NumberOfTypesOfTransactionsForWhichRevenueIsRecognized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_NumberofCommonSharesReceivedPerUnitunderSpinOffTransaction" name="NumberofCommonSharesReceivedPerUnitunderSpinOffTransaction" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_NumberofCompaniesResponsibleforIssuingSharestoEmployees" name="NumberofCompaniesResponsibleforIssuingSharestoEmployees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tyc_NumberofcommonsharesofTycoIrelandreceivedforeachTycoshareuponmerger" name="NumberofcommonsharesofTycoIrelandreceivedforeachTycoshareuponmerger" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_OperatingLossCarryforwardsWithExpiration" name="OperatingLossCarryforwardsWithExpiration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tyc_OperatingLossCarryforwardsWithoutExpiration" name="OperatingLossCarryforwardsWithoutExpiration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tyc_OrdinaryAParorStatedValueperShare" name="OrdinaryAParorStatedValueperShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="tyc_OrdinaryAShareCapitalAuthorized" name="OrdinaryAShareCapitalAuthorized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tyc_OrdinaryASharesAuthorized" name="OrdinaryASharesAuthorized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="tyc_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesAndNewAccountingPronouncementsTextBlock" name="OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesAndNewAccountingPronouncementsTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_OtherAssetClassesMember" name="OtherAssetClassesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationReclassificationAdjustmentDiscontinuedOperationsNetOfTax" name="OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationReclassificationAdjustmentDiscontinuedOperationsNetOfTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_OtherComprehensiveIncomeLossMarketableSecuritiesandDerivativesTax" name="OtherComprehensiveIncomeLossMarketableSecuritiesandDerivativesTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_OtherComprehensiveIncomeLossUnrealizedHoldingGainLossonSecuritiesandDerivativesArisingDuringPeriodbeforeTax" name="OtherComprehensiveIncomeLossUnrealizedHoldingGainLossonSecuritiesandDerivativesArisingDuringPeriodbeforeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_OtherComprehensiveIncomeUnrealizedLossOnMarketableSecuritiesAndDerivativeInstrumentsNetOfTax" name="OtherComprehensiveIncomeUnrealizedLossOnMarketableSecuritiesAndDerivativeInstrumentsNetOfTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_OtherDebtInformationAbstract" name="OtherDebtInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_OtherLiabilitiesUnderTaxSharingAgreement" name="OtherLiabilitiesUnderTaxSharingAgreement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tyc_OtherLitigationMattersAbstract" name="OtherLitigationMattersAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_OtherLongTermDebtMember" name="OtherLongTermDebtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_OtherMachineryEquipmentFurnitureAndFixturesMember" name="OtherMachineryEquipmentFurnitureAndFixturesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_OtherShareholdersEquity" name="OtherShareholdersEquity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tyc_OtherSubsidiariesMember" name="OtherSubsidiariesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_OwnershipPercentageofSubsidiarybyParent" name="OwnershipPercentageofSubsidiarybyParent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tyc_ParticipatingEntitiesDomain" name="ParticipatingEntitiesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_PaymentsForAccountsPurchasedFromDealerProgram" name="PaymentsForAccountsPurchasedFromDealerProgram" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_PaymentsForProceedsFromIntercompanyLoanBorrowingsNet" name="PaymentsForProceedsFromIntercompanyLoanBorrowingsNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_Paymentsreceivedfromformermanagement" name="Paymentsreceivedfromformermanagement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_Paymentsreceivedfromformermanagementnetofportionspaidtoclassactionmembers" name="Paymentsreceivedfromformermanagementnetofportionspaidtoclassactionmembers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_PerformanceShareUnitAwardsMember" name="PerformanceShareUnitAwardsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_Plansettlementsandspecialterminationbenefits" name="Plansettlementsandspecialterminationbenefits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_PooledSubscriberSystemsMember" name="PooledSubscriberSystemsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_Portionofsettlementtobepaidtoclassactionmembers" name="Portionofsettlementtobepaidtoclassactionmembers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_Pre2013and2013ProgramMember" name="Pre2013and2013ProgramMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_PriorPeriodSeparationRelatedTaxLiability" name="PriorPeriodSeparationRelatedTaxLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tyc_ProductWarrantyPolicyTextBlock" name="ProductWarrantyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ProfitLossIncludingPortionAttributableToRedeemableNoncontrollingInterest" name="ProfitLossIncludingPortionAttributableToRedeemableNoncontrollingInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_PropertyPlantandEquipmentUsefulLifeunderAcceleratedMethodMaximum" name="PropertyPlantandEquipmentUsefulLifeunderAcceleratedMethodMaximum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_PropertyPlantandEquipmentUsefulLifeunderAcceleratedMethodMinimum" name="PropertyPlantandEquipmentUsefulLifeunderAcceleratedMethodMinimum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ProvisionForLossesOnAccountsReceivableAndInventory" name="ProvisionForLossesOnAccountsReceivableAndInventory" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_QuarterlyDividendPerShareApprovedforOrdinaryShares" name="QuarterlyDividendPerShareApprovedforOrdinaryShares" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="tyc_ReallocationofShareCapitaltoContributedSurplus" name="ReallocationofShareCapitaltoContributedSurplus" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_ReceivableAndTaxSharingAgreementRelatedLiabilitiesNet" name="ReceivableAndTaxSharingAgreementRelatedLiabilitiesNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tyc_ReceivableFromFormerSubsidiaryPerTaxSharingAgreementNetReceivable" name="ReceivableFromFormerSubsidiaryPerTaxSharingAgreementNetReceivable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tyc_ReceivableFromFormerSubsidiaryPerTaxSharingAgreementReportedInOtherAssets" name="ReceivableFromFormerSubsidiaryPerTaxSharingAgreementReportedInOtherAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tyc_ReceivableFromFormerSubsidiaryPerTaxSharingAgreementReportedInPrepaidExpensesAndOtherCurrentAssets" name="ReceivableFromFormerSubsidiaryPerTaxSharingAgreementReportedInPrepaidExpensesAndOtherCurrentAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tyc_ReceivablesIntercompany" name="ReceivablesIntercompany" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tyc_ReconciliationOfUSFederalIncomeTaxRateAndProvisionForIncomeTaxesTextBlock" name="ReconciliationOfUSFederalIncomeTaxRateAndProvisionForIncomeTaxesTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_RedeemableNoncontrollingInterestsPolicyTextBlock" name="RedeemableNoncontrollingInterestsPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_RegisteredCommonShares" name="RegisteredCommonShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="tyc_RegisteredCommonSharesParValuePerShareInCHF" name="RegisteredCommonSharesParValuePerShareInCHF" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tyc_RemainingLegacyMattersMember" name="RemainingLegacyMattersMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_RemedialCostsMember" name="RemedialCostsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_RemediationAndMonitoringCostsMember" name="RemediationAndMonitoringCostsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_RepositioningActionsMember" name="RepositioningActionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_RepositioningChargesRelatedToProfessionalFees" name="RepositioningChargesRelatedToProfessionalFees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_RestOfWorldSystemsInstallationAndServicesSegmentMember" name="RestOfWorldSystemsInstallationAndServicesSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_RestrictedUnitAwardsMember" name="RestrictedUnitAwardsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_RestructuringAndRelatedCostByRestructuringProgramAxis" name="RestructuringAndRelatedCostByRestructuringProgramAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_RestructuringAndRelatedCostBySegmentAxis" name="RestructuringAndRelatedCostBySegmentAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_RestructuringAndRelatedCostProgramDomain" name="RestructuringAndRelatedCostProgramDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_RestructuringCostsAndOtherAssetImpairmentCharges" name="RestructuringCostsAndOtherAssetImpairmentCharges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_RestructuringReserveByBalanceSheetLocationAxis" name="RestructuringReserveByBalanceSheetLocationAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_RestructuringReserveUtilization" name="RestructuringReserveUtilization" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_RestructuringandAssetImpairmentChargesNet" name="RestructuringandAssetImpairmentChargesNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_Restructuringandrepositioningchargesnet" name="Restructuringandrepositioningchargesnet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_ScheduleOfAllocationOfPlanAssetsPensionPlansTableTextBlock" name="ScheduleOfAllocationOfPlanAssetsPensionPlansTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ScheduleOfComponentsOfSeparationRelatedCostsClassificationTableTextBlock" name="ScheduleOfComponentsOfSeparationRelatedCostsClassificationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ScheduleOfFutureMinimumRentalPaymentsForOperatingAndCapitalLeasesTableTextBlock" name="ScheduleOfFutureMinimumRentalPaymentsForOperatingAndCapitalLeasesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_ScheduleOfIntangibleAssetsExcludingGoodwillTable" name="ScheduleOfIntangibleAssetsExcludingGoodwillTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ScheduleOfIntangibleAssetsTextBlock" name="ScheduleOfIntangibleAssetsTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ScheduleOfNetReceivablesAndLiabilitiesRecordedUnderTaxSharingAgreementsTableTextBlock" name="ScheduleOfNetReceivablesAndLiabilitiesRecordedUnderTaxSharingAgreementsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ScheduleOfPensionPlanAssetsValuedUsingNetAssetValueOrItsEquivalentTableTextBlock" name="ScheduleOfPensionPlanAssetsValuedUsingNetAssetValueOrItsEquivalentTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ScheduleOfPropertyPlantAndEquipmentTableTextBlock" name="ScheduleOfPropertyPlantAndEquipmentTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ScheduleOfRepurchaseProgramsTableTextBlock" name="ScheduleOfRepurchaseProgramsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ScheduleOfRestructuringReserveByBalanceSheetLocationTextBlock" name="ScheduleOfRestructuringReserveByBalanceSheetLocationTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_ScheduleOfRestructuringReserveTable" name="ScheduleOfRestructuringReserveTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ScheduleOfSegmentReportingInformationDepreciationAndAmortizationAndCapitalExpendituresBySegmentTextBlock" name="ScheduleOfSegmentReportingInformationDepreciationAndAmortizationAndCapitalExpendituresBySegmentTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ScheduleOfSegmentReportingInformationNetRevenueAndOperatingIncomeLossBySegmentTableTextBlock" name="ScheduleOfSegmentReportingInformationNetRevenueAndOperatingIncomeLossBySegmentTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ScheduleOfSeparationCostsClassificationTableTextBlock" name="ScheduleOfSeparationCostsClassificationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ScheduleOfSupplementalBalanceSheetDisclosuresTextBlock" name="ScheduleOfSupplementalBalanceSheetDisclosuresTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ScheduleOfTaxSharingAgreementIncomeLossTableTextBlock" name="ScheduleOfTaxSharingAgreementIncomeLossTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_ScheduleOfTaxSharingAgreementTable" name="ScheduleOfTaxSharingAgreementTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_ScheduleofRestructuringReserveLineItems" name="ScheduleofRestructuringReserveLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_SegmentReportingInformationCapitalExpenditures" name="SegmentReportingInformationCapitalExpenditures" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_SellingGeneralAndAdministrativeExpenseMember" name="SellingGeneralAndAdministrativeExpenseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_SellingGeneralAndAdministrativeMember" name="SellingGeneralAndAdministrativeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_SeparationChargesClassifiedInContinuingOperationsAbstract" name="SeparationChargesClassifiedInContinuingOperationsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_SeparationChargesTaxBenefit" name="SeparationChargesTaxBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_SeparationCosts" name="SeparationCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_SeparationEmployeeCompensationCosts" name="SeparationEmployeeCompensationCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_SeparationInformationTechnologyRelatedCosts" name="SeparationInformationTechnologyRelatedCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_SeparationMarketingCosts" name="SeparationMarketingCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_SeparationOtherCosts" name="SeparationOtherCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_SeparationProfessionalFees" name="SeparationProfessionalFees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_SeparationSellingGeneralAndAdministrativeExpenses" name="SeparationSellingGeneralAndAdministrativeExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_SeparationTransactionCosts" name="SeparationTransactionCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_SeparationTransactionDisclosureTextBlock" name="SeparationTransactionDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_SeparationTransactionandSeparationCostsNetofTax" name="SeparationTransactionandSeparationCostsNetofTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_SeparationTransactionandSeparationcosts" name="SeparationTransactionandSeparationcosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_SettlementsreceivedbyQSFfromhistoricthirdpartyissuers" name="SettlementsreceivedbyQSFfromhistoricthirdpartyissuers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitInPeriodWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitInPeriodWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPaymentsPerShare" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPaymentsPerShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPreseparationOptionsOutstandingNumber" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPreseparationOptionsOutstandingNumber" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="tyc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPreseparationOptionsOutstandingWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPreseparationOptionsOutstandingWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="tyc_ShareBasedCompensationArrangementbyShareBasedPaymentAwardAwardExpirationPeriod" name="ShareBasedCompensationArrangementbyShareBasedPaymentAwardAwardExpirationPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ShareBasedCompensationArrangementbyShareBasedPaymentAwardAwardVestingPeriodExecutives" name="ShareBasedCompensationArrangementbyShareBasedPaymentAwardAwardVestingPeriodExecutives" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ShareBasedCompensationArrangementbyShareBasedPaymentAwardAwardVestingPeriodPerformanceBased" name="ShareBasedCompensationArrangementbyShareBasedPaymentAwardAwardVestingPeriodPerformanceBased" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ShareBasedCompensationArrangementbyShareBasedPaymentAwardAwardVestingPeriodTimeBased" name="ShareBasedCompensationArrangementbyShareBasedPaymentAwardAwardVestingPeriodTimeBased" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ShareBasedCompensationArrangementbyShareBasedPaymentAwardPreseparationOptionsOutstandingWeightedAverageRemainingContractualTerm" name="ShareBasedCompensationArrangementbyShareBasedPaymentAwardPreseparationOptionsOutstandingWeightedAverageRemainingContractualTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ShareCapitalInCHF" name="ShareCapitalInCHF" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tyc_ShareOptionPlanMember" name="ShareOptionPlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_ShareRepurchaseProgramLineItems" name="ShareRepurchaseProgramLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_ShareRepurchaseProgramTable" name="ShareRepurchaseProgramTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_ShareRepurchaseYearAxis" name="ShareRepurchaseYearAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_ShareRepurchaseYearDomain" name="ShareRepurchaseYearDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_SharesIssuedFromTreasuryShareBasedEquityAwards" name="SharesIssuedFromTreasuryShareBasedEquityAwards" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tyc_SharesIssuedFromTreasuryShareBasedEquityAwardsShares" name="SharesIssuedFromTreasuryShareBasedEquityAwardsShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_SharesRepurchasedDuringFiscal2011Member" name="SharesRepurchasedDuringFiscal2011Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_SharesRepurchasedDuringFiscal2012Member" name="SharesRepurchasedDuringFiscal2012Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_SharesRepurchasedDuringFiscal2013Member" name="SharesRepurchasedDuringFiscal2013Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_SharesRepurchasedDuringFiscal2014Member" name="SharesRepurchasedDuringFiscal2014Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_SharesRepurchasedDuringFiscal2015Member" name="SharesRepurchasedDuringFiscal2015Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_StatementOfFinancialPositionListItemsAbstract" name="StatementOfFinancialPositionListItemsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_StockAndIncentivePlan2012Member" name="StockAndIncentivePlan2012Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_SubscriberSystemAssetsAndDeferredRevenueTextBlock" name="SubscriberSystemAssetsAndDeferredRevenueTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_SubscriberSystemsMember" name="SubscriberSystemsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_TaxExpensesAssociatedWithSeparationTaxLiabilities" name="TaxExpensesAssociatedWithSeparationTaxLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tyc_TaxLiabilitySharingPercentPerTaxSharingAgreement" name="TaxLiabilitySharingPercentPerTaxSharingAgreement" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_TaxLitigationAbstract" name="TaxLitigationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_TaxRelatedSeparationCharges" name="TaxRelatedSeparationCharges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_TaxSharingAgreement2007Member" name="TaxSharingAgreement2007Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_TaxSharingAgreement2012Member" name="TaxSharingAgreement2012Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_TaxSharingAgreementLineItems" name="TaxSharingAgreementLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_TaxSharingAgreementNameAxis" name="TaxSharingAgreementNameAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_TaxSharingAgreementNameDomain" name="TaxSharingAgreementNameDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_TaxSharingAgreementParticipatingEntitiesAxis" name="TaxSharingAgreementParticipatingEntitiesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_TaxSharingAgreementReceivablesAbstract" name="TaxSharingAgreementReceivablesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_TaxSharingAgreementRelatedLiabilities" name="TaxSharingAgreementRelatedLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tyc_TaxSharingAgreementRelatedLiabilitiesAbstract" name="TaxSharingAgreementRelatedLiabilitiesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_TransferFromDiscontinuedOperations" name="TransferFromDiscontinuedOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_TreasuryStock2011ShareRepurchaseProgramMember" name="TreasuryStock2011ShareRepurchaseProgramMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_TreasuryStock2013ShareRepurchaseProgramMember" name="TreasuryStock2013ShareRepurchaseProgramMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_TreasuryStock2014ShareRepurchaseProgramMemberMember" name="TreasuryStock2014ShareRepurchaseProgramMemberMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_TycoFireSecurityFinanceSCAMember" name="TycoFireSecurityFinanceSCAMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_TycoFireSecurityServicesKoreaCo.Ltd.Member" name="TycoFireSecurityServicesKoreaCo.Ltd.Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_TycoFlowControlInternationalLtdAndADTCorporationMember" name="TycoFlowControlInternationalLtdAndADTCorporationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_TycoFlowControlInternationalLtdMember" name="TycoFlowControlInternationalLtdMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_TycoInternationalMember" name="TycoInternationalMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_UnrecognizedTaxBenefitsForeignCurrencyTranslationAdjustments" name="UnrecognizedTaxBenefitsForeignCurrencyTranslationAdjustments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_UnrecognizedTaxBenefitsRollForward" name="UnrecognizedTaxBenefitsRollForward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tyc_ValuationAllowancesAndReservesAcquisitionsDivestituresAndOther" name="ValuationAllowancesAndReservesAcquisitionsDivestituresAndOther" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_WestfireInc.Member" name="WestfireInc.Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tyc_YarwayCorporationMember" name="YarwayCorporationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>


