Designation:D2308−07(Reapproved2020)´1StandardSpecificationforThermoplasticPolyethyleneJacketforElectricalWireandCable1ThisstandardisissuedunderthefixeddesignationD2308;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—EditoriallycorrectedTable2October2020.1.Scope1.1Thisspecificationcoversathermoplasticjacketingcom-poundfor2to35kVwireandcable,ofatleast0.030in.(0.76mm)nominalthickness,consistingsubstantiallyofpigmentedpolyethylene.1.2Inmanyinstancesthejacketmaterialcannotbetestedunlessithasbeenformedaroundaconductororcable.Therefore,testsdoneonjacketedwireandcableinthisspecificationaresolelytodeterminetherelevantpropertyofthejacketmaterialandnottotestthejacketedconductororcompletedcable.1.3Whenevertwosetsofvaluesarepresented,indifferentunits,thevaluesinthefirstsetarethestandard,whilethoseinparenthesesareforinformationonly.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1248SpecificationforPolyethylenePlasticsExtrusionMaterialsforWireandCableD1693TestMethodforEnvironmentalStress-CrackingofEthylenePlasticsD1711TerminologyRelatingtoElectricalInsulationD2633TestMethodsforThermoplasticInsulationsandJacketsforWireandCableD3349TestMethodforAbsorptionCoefficientofEthylenePolymerMaterialPigmentedwithCarbonBlack3.Terminology3.1Definitions:3.1.1RefertoTerminologyD1711fordefinitionsoftermsusedinthisspecification.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1aging,(actof),n—exposureofmaterialstoairat100°Cforeither24or48h.4.PhysicalProperties4.1Thepolyethylenebeforeapplicationtothewireor...
