Designation:D470−13StandardTestMethodsforCrosslinkedInsulationsandJacketsforWireandCable1ThisstandardisissuedunderthefixeddesignationD470;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thesetestmethodscoverproceduresfortestingcross-linkedinsulationsandjacketsforwireandcable.Todeterminethetesttobemadeontheparticularinsulationorjacket,refertotheproductspecificationforthattype.Thesetestmethodsdonotapplytotheclassofproductsknownasflexiblecords.1.2Inmanyinstancestheinsulationorjacketcannotbetestedunlessithasbeenformedaroundaconductororcable.Therefore,testsaredoneoninsulatedorjacketedwireorcableinthesetestmethodssolelytodeterminetherelevantpropertyoftheinsulationorjacketandnottotesttheconductororcompletedcable.1.3Theproceduresappearinthefollowingsections:SectionsACandDCVoltageWithstandTests22to29CapacitanceandDissipationFactorTests38to44ColdBend128ColdBend,Long-TimeVoltageTestonShortSpecimens51to57DoubleACVoltageTestonShortSpecimens45to50ElectricalTestsofInsulation17to64HeatDistortionTest127HorizontalFlameTest100to104InsulationResistanceTestsonCompletedCable30to37MineralFillerContent,Determinationof111to115OzoneResistanceTest87to99Partial-DischargeTest58to64PhysicalTestsofInsulationandJacketCompounds5to16SurfaceResistivityTest116to120TrackResistanceTest129to132U-BendDischargeTest121to125WaterAbsorptionTest65to71WaterAbsorptionTest,Accelerated72to86WaterAbsorptionTestonFibrousCoverings105to1101.4Whenevertwosetsofvaluesarepresented,indifferentunits,thevaluesinthefirstsetarethestandard,whilethoseintheparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priat...
