Designation:D1351−14StandardSpecificationforThermoplasticPolyethyleneInsulationforElectricalWireandCable1ThisstandardisissuedunderthefixeddesignationD1351;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversathermoplasticinsulationwhichconsistssubstantiallyofpolyethylene.1.2Thistypeofinsulationisconsideredsuitableforuseonwireorcablethatwillbeusedforcontinuousoperationatconductortemperaturesupto75°Cwithamaximumconduc-torsizeof1000kcmil(507mm2).Themaximumvoltageratingshallnotexceed35000Vforpowerapplicationor9000Vforserieslighting.1.3Inmanyinstancestheinsulationmaterialcannotbetestedunlessithasbeenformedaroundaconductor.Therefore,testsdoneoninsulatedwireorcableinthisspecificationaresolelytodeterminetherelevantpropertyoftheinsulationmaterialandnottotesttheinsulatedconductororcompletedcable.1.4Whenevertwosetsofvaluesarepresented,indifferentunits,thevaluesinthefirstsetarethestandard,whilethoseinparenthesesareforinformationonly.2.ReferencedDocuments2.1ASTMStandards:2D1248SpecificationforPolyethylenePlasticsExtrusionMaterialsforWireandCableD1711TerminologyRelatingtoElectricalInsulationD2308SpecificationforThermoplasticPolyethyleneJacketforElectricalWireandCableD2633TestMethodsforThermoplasticInsulationsandJacketsforWireandCableD3349TestMethodforAbsorptionCoefficientofEthylenePolymerMaterialPigmentedwithCarbonBlack2.2ICEAStandard:T-24-380GuideforPartial-DischargeProcedure33.Terminology3.1Definitions:3.1.1RefertoTerminologyD1711fordefinitionsoftermsusedinthisspecification.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1aging(actof),n—exposureofmaterialstoairatatemperatureof100°Cfor48h.4.ConductorShields4.1Conductorshieldsshallbeusedonsolidandstrandedconductorsofpowercableshavingratedcircuitvoltagesabove2000V.Thisrequirementdoesnotapp...
