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  <xs:element id="hubb_LineOfCreditFacilityCovenantsMaximumDebtToCapitalizationPercentage" abstract="false" name="LineOfCreditFacilityCovenantsMaximumDebtToCapitalizationPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="hubb_LineOfCreditFacilityAccordionFeatureHigherBorrowingCapacityOption" abstract="false" name="LineOfCreditFacilityAccordionFeatureHigherBorrowingCapacityOption" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hubb_DebtInstrumentCovenantMaximumSubsidiaryBorrowings" abstract="false" name="DebtInstrumentCovenantMaximumSubsidiaryBorrowings" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hubb_DebtInstrumentNumberOfExtensionOptions" abstract="false" name="DebtInstrumentNumberOfExtensionOptions" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="hubb_DebtInstrumentExtensionTerm" abstract="false" name="DebtInstrumentExtensionTerm" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="hubb_ProceedsFromIssuanceOfLongTermDebtNetOfIssuanceCostsAndDiscounts" abstract="false" name="ProceedsFromIssuanceOfLongTermDebtNetOfIssuanceCostsAndDiscounts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hubb_RestrictedStockAwardsServiceConditionMember" abstract="true" name="RestrictedStockAwardsServiceConditionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hubb_PerformanceSharesMarketConditionMember" abstract="true" name="PerformanceSharesMarketConditionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hubb_PerformanceSharesPerformanceConditionMember" abstract="true" name="PerformanceSharesPerformanceConditionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hubb_PerformanceSharesVestingOnCompoundedAnnualGrowthRateOfNetSalesMember" abstract="true" name="PerformanceSharesVestingOnCompoundedAnnualGrowthRateOfNetSalesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hubb_PerformanceSharesVestingOnOperatingProfitMarginMember" abstract="true" name="PerformanceSharesVestingOnOperatingProfitMarginMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hubb_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsNumberOfInstallments" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsNumberOfInstallments" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="hubb_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPerformancePeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPerformancePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="hubb_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsTargetPercentage" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsTargetPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="hubb_PerformanceBasedCriteriaPlanPayoutPercentage" abstract="false" name="PerformanceBasedCriteriaPlanPayoutPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="hubb_WeightedAverageGrantDateSarFairValue" abstract="false" name="WeightedAverageGrantDateSarFairValue" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
</xs:schema>
