Designation:D2220−11StandardSpecificationforPoly(VinylChloride)InsulationforWireandCable,75°COperation1ThisstandardisissuedunderthefixeddesignationD2220;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversathermoplasticinsulationofpoly(vinylchloride)orthecopolymerofvinylchlorideandvinylacetate.1.2Thisinsulationisrecommendedforuseinpowerandcontrolcircuitsattemperaturesnothigherthan75°C.Atathicknessof15mils(0.38mm),applicationislimitedtovoltageratingsbelow300V,andtodrylocations.Atathicknessof30mils,theapplicationrangeiswidenedtodryorwetapplications,andtoavoltageratingof600V.1.3Inmanyinstancestheinsulationmaterialcannotbetestedunlessithasbeenformedaroundaconductororcable.Therefore,testsaredoneoninsulatedwireorcableinthisspecificationsolelytodeterminetherelevantpropertyoftheinsulationmaterialandnottotesttheconductororcompletedcable.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4.1Incomecases(includingthetitle),temperaturesaredescribedindegreesCelsiusonly.2.ReferencedDocuments2.1ASTMStandards:2D1711TerminologyRelatingtoElectricalInsulationD2633TestMethodsforThermoplasticInsulationsandJacketsforWireandCable3.Terminology3.1Definitions:3.1.1Fordefinitionsoftermsusedinthisspecification,refertoTerminologyD1711.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1aging(actof),n—exposureofmaterialstoairoroilatatemperatureandatimeasspecifiedinTable1.4.PhysicalProperties4.1TheinsulationshallconformtotherequirementsforphysicalpropertiesprescribedinTable1.5.ElectricalRequirements5.1Performtheacvoltage,insulationresistance,anddcvoltagetestsinthatorderwhenanyofthesetestsarerequired.Thesequenceforothertestingi...
