Designation:D1523–00(Reapproved2006)AnAmericanNationalStandardStandardSpecificationforSyntheticRubberInsulationforWireandCable,90°COperation1ThisstandardisissuedunderthefixeddesignationD1523;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversacrosslinkedinsulatingcom-poundforelectricalwiresandcables.Therubberpolymerisprimarilycomposedofsyntheticrubber.1.2Thistypeofinsulationissuitableforcontinuousopera-tionatconductortemperaturesnotexceeding90°Cindrylocations,andoperatingvoltagesnotexceeding2000V.Thisinsulationmayhavelow-temperaturelimitations.Consultthemanufacturerforspecificrecommendationsforinstallation.1.3Inmanyinstancestheinsulationcannotbetestedunlessithasbeenformedaroundaconductor.Therefore,testsaredoneoninsulatedwireinthisstandardsolelytodeterminetherelevantpropertyoftheinsulationandnottotesttheconductororcompletedcable.1.4Whenevertwosetsofvaluesarepresented,indifferentunits,thevaluesinthefirstsetarethestandard,whilethoseinparenthesesareforinformationonly.2.ReferencedDocuments2.1ASTMStandards:2D470TestMethodsforCrosslinkedInsulationsandJacketsforWireandCableD1711TerminologyRelatingtoElectricalInsulation3.Terminology3.1Definitions:3.1.1FordefinitionsoftermsusedinthisspecificationrefertoTerminologyD1711.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1aging(actof),n—exposureofmaterialstoairat121°Cfor168horheatandpressureat127°Cfor42h.4.PhysicalProperties4.1Table1liststheunagedandagedphysicalpropertyrequirements.4.2ThicknessofInsulation—Tablenumber1AofTestMethodsD470liststheminimumaveragethicknessfortheinsulation.Therequiredminimumthicknessis90%ofthatgiveninTablenumber1AofTestMethodsD470.5.ElectricalRequirements5.1OrderofTesting—Performtheacvoltage,insulationresistance,anddcvoltagetestsinthatorderwhenanyofthesetests...
