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  <xs:element id="hubb_CommonSharesReservedOtherEquityPlans" abstract="false" name="CommonSharesReservedOtherEquityPlans" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
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  <xs:element id="hubb_PerformanceSharesVestingOnCompoundedAnnualGrowthRateOfNetSalesMember" abstract="true" name="PerformanceSharesVestingOnCompoundedAnnualGrowthRateOfNetSalesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="hubb_RestructuringActions2023AndPriorMember" abstract="true" name="RestructuringActions2023AndPriorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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</xs:schema>
