Designation:D3554−20´1StandardSpecificationforTrack-ResistantThermoplasticHigh-DensityPolyethyleneInsulationforWireandCable,75°COperation1ThisstandardisissuedunderthefixeddesignationD3554;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—EditoriallycorrectedTable1and4.1inOctober2020.1.Scope*1.1Thisspecificationcoverstrack-resistantthermoplastichigh-densitypolyethyleneinsulation.Beforeapplicationtotheconductor,theinsulationshallcomplywiththerequirementsofSpecificationD1248,TypeIII,ClassCorD,Category5,GradeE10,J4,orJ5.TherequirementsofSpecificationD1248shallnotapplytotheinsulationremovedfromtheconductor.1.2Thistypeofinsulationisconsideredsuitableforuseonwireorcablethatwillbeusedforcontinuousoperationatconductortemperaturesupto75°C.1.3Thisinsulationissuitableforuseonwireorincableusedforpowertransmissioninoverheadspaced-lineservice,installedattemperaturesabove−25°Candexposedtosunlightandotheratmosphericenvironmentsbetween−55and+75°C.1.4Inmanyinstances,theinsulationcannotbetestedunlessithasbeenformedaroundaconductor.Therefore,testsdoneoninsulatedwireinthisstandardaresolelytodeterminetherelevantpropertyoftheinsulationandnottotesttheconductororcompletedcable.1.5Whenevertwosetsofvaluesarepresented,indifferentunits,thevaluesinthefirstsetaretoberegardedasstandard.Thevaluesgiveninparenthesesaremathematicalconversionsthatareprovidedforinformationonlyandarenotconsideredstandard.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1248SpecificationforPolyethylenePlasticsExtrusionMaterialsfo...
