Designation:D2802−14StandardSpecificationforOzone-ResistantEthylene-AlkenePolymerInsulationforWireandCable1ThisstandardisissuedunderthefixeddesignationD2802;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoversanozone-resistingcrosslinkedrubberinsulationcompoundforelectricalwiresandcables.Thepolymershallconsistsubstantiallyofethylene-alkenecopolymer(EAM)orethylene-alkenedieneterpolymer(EADM).Thispolymertypeincludesethylenepropylenecopo-lymer(EPM)andethylenepropylenedieneterpolymer(EPDM).1.2Thistypeofinsulationisconsideredsuitableforuseonwireorcablewhichwillbeusedinwetanddrylocationswithconductortemperaturesupto90°Cduringcontinuousoperation,to130°Cduringemergencyoverloadconditions,andto250°Cduringshort-circuitconditions.Itisconsideredsuitableforallsizesandvoltageclassificationsofsingle-andmultiple-conductorpowercablesupto35000Vphase-to-phaseatthe100%insulationlevelandupto25000Vatthe133%insulationlevelaslistedinTable1DofTestMethodsD470.Single-conductorcablesshallhaveasupplementarycoveringovertheinsulation,andmultiple-conductorcablesshallhaveanoverallcovering.1.3Whenevertwosetsofvaluesarepresented,indifferentunits,thevaluesinthefirstsetarethestandard,whilethoseinparenthesesareforinformationonly.1.4Inmanyinstancestheinsulationmaterialcannotbetestedunlessithasbeenformedaroundaconductororcable.Therefore,testsaredoneoninsulatedwireorcableinthisspecificationsolelytodeterminetherelevantpropertyoftheinsulationandnottotesttheconductororcompletedcable.2.ReferencedDocuments2.1ASTMStandards:2D470TestMethodsforCrosslinkedInsulationsandJacketsforWireandCableD1711TerminologyRelatingtoElectricalInsulation2.2ICEAStandard:3T-24-380GuideforPartialDischargeProcedure3.Terminolo...
