UL746C-2002中文版

November29,20015PolymericMaterials–UseinElectricalEquipmentEvaluations–UL746C()1NOVEMBER29,2001(TitlePageReprinted:November5,2002)1UL746CStandardforPolymericMaterials–UseinElectricalEquipmentEvaluationsThefirsteditionwastitledTestforPolymericEnclosuresofPortableElectricalAppliancesandnumberedUL746.51.FirstEdition–June,1973SecondEdition–March,1978ThirdEdition–May,1989FourthEdition–December,1995FifthEditionNovember29,2001ThemostrecentapprovalofUL746CasanAmericanNationalStandard(ANSI)occurredonSeptember23,2002andcoverstheFifthEdition,includingrevisionsthroughNovember5,2002.ApprovalofUL746CasanAmericanNationalStandardismaintainedusingthecontinuousmaintenanceprocess.CommentsorproposalsforrevisiononanypartoftheStandardmaybesubmittedtoULatanytime.WrittencommentsaretobesenttotheUL-MELStandardsDepartment,1285WaltWhitmanRoad,Melville,NY11747.AneffectivedateincludedasanoteimmediatelyfollowingcertainrequirementsisoneestablishedbyUnderwritersLaboratoriesInc.TheDepartmentofDefense(DoD)hasadoptedUL746ConNovember3,1988.ThepublicationofrevisedpagesoraneweditionofthisStandardwillnotinvalidatetheDoDadoption.RevisionsofthisStandardwillbemadebyissuingrevisedoradditionalpagesbearingtheirdateofissue.AULStandardiscurrentonlyifitincorporatesthemostrecentlyadoptedrevisions,allofwhichareitemizedonthetransmittalnoticethataccompaniesthelatestsetofrevisedrequirements.ISBN0-7629-0721-5COPYRIGHT©1973,2002UNDERWRITERSLABORATORIESINC.ANSI/UL746C-2002November29,20015PolymericMaterials–UseinElectricalEquipmentEvaluations–UL746C()21626384115126781392110221122122213HAI2314HWI-231523162317-12mm2518-20mm2519-127mm5”2520-746-5VS2521-252226November29,20015PolymericMaterials–UseinElectricalEquipmentEvaluations–UL746C()32327242725272628272828292930303031303230333134-3135313632373538353936403841-394239433944404540464047414841November29,20015PolymericMaterials–UseinElectricalEquipmentEvaluations–UL746C()449415042514252-12mm4453-3/4”4554-127mm5”4655-746-5VS46564857495850595360586158625863596459655966596760686069-6270-6371-6472687372747475757677November29,20015PolymericMaterials–UseinElectricalEquipmentEvaluations–UL746C()5A.“”B.C.D.E.ULULULULF.ULNovember29,20015PolymericMaterials–UseinElectricalEquipmentEvaluations–UL746C()61.1.11.2“StandardforSystemsofInsulatingMaterials,General”,UL14461.31.42.2.1SI2.22.32.12.4UL94UL746A“StandardforPolymericMaterials–ShortTermPropertyEvaluations”UL746B“StandardforPolymericMaterials–LongTermPropertyEvaluations”UL746D“StandardforPolymericMaterials–FabricatedParts”2.5UL746D“StandardforPolymericMaterials–FabricatedParts”November29,20015PolymericMaterials–UseinElectricalEquipmentEvaluations–UL746C()72.1UL746CNovember29,20015PolymericMaterials–UseinElectricalEquipmentEvaluations–UL746C()83.3.13.2—3.3Delete3.4—3.5—3.6—CTIUL746A“StandardforPolymericMaterials–ShortTermPropertyEvaluations”CTIPLC600≤TI0400≤TI6001250≤TI4002175≤TI2503100≤TI17540≤TI10053.7—3.8—3.9—3.10—3.11—a/b3.12—3.13—3.14—UL94“TestforFlammabilityofPlasticMaterialsforPartsinDeviceandNovember29,20015PolymericMaterials–UseinElectricalEquipmentEvaluations–UL746C()9Appliance”3.15—UL746A“StandardforPolymericMaterials–ShortTermPropertyEvaluations”3.16—3.17—3.18—HAIUL746A“StandardforPolymericMaterials–ShortTermPropertyEvaluations”HAI—NAPLC120≤NA060≤NA120130≤NA60215≤NA3030≤NA1543.19—HWIUL746A“StandardforPolymericMaterials–ShortTermPropertyEvaluations”HWI—PLC120≤IT060≤IT120130≤IT60215≤IT3037≤IT1540≤IT753.20—3.21IECGWIT)—IEC60695-2-1/3GWIT250C0C3.22IECGWFT—IEC60695-2-1/2GWFT303.23—3.24—November29,20015PolymericMaterials–UseinElectricalEquipmentEvaluations–UL746C()103.25—3.26—3.27—3.28—3.29PLC—/3.30—3.31—3.32—3.33—3.34—,a)42.4Vb)1500ohm0.5mA3.35—a42.4V18A8Ab15W3.36—3.37—3.38—3.39—3.40—3.41—3.42—November29,20015PolymericMaterials–UseinElectricalEquipmentEvaluations–UL746C()114.4.14.14.2UL746A“StandardforPolymericMaterials–ShortTermPropertyEvaluations”4.35VA5VBV-0V-1V-2HB4.1IIV-04.42cm33cm5VA5VBV-0V-1V-2HB4.5224.1IIIIIIKHBa,dVb,d5VAc,d8.1YESYESYES24YESYESYES23.1NONOYES29.1YESYESYES30.1YESjNOjYES31.1YESeYESeYESe32.1YESNOYES33.1YESfYESfYESf27.1YESgYESgYESg28YEShYEShYESh28.2YESYESYESNONOYESiaHBGWITGWFT750°C,171812mm20mmbV=V-0,V-1V-2171812mm20mmHB5c5VA127mm19d21eHB63.2V,5VA12mm20mm63.1fghijHBkIINovember29,20015PolymericMaterials–UseinElectricalEquipmentEvaluations–UL746C()125.—5.15.1.1V–0,V–1,V–212mm20mm1718HB5.1.2HB4.130.131.132.15.1.3HB5.25.35.412a.b.IIPCBc.IIPCB3snapswitch)UL20,theStandardforSnapSwitches;UL496,theStandardforEdison-BaseLampholders;UL498,theStandardforReceptaclesandAttachmentPlugs;UL1054,theStandardforSpecial-UseSwitches;5.2.15.25.35.45.25.2.1a)UL310,theStandardforElectricalQuick-ConnectTerminals;b)UL486A,theStandardforWireConnectorsandSolderingLugsforUsewithCopperConductors;c)UL486C,theStandardforSplicingWireConnectors;d)UL486E,theStandardforEquipmentWiringTerminalsforUsewithAluminumand/orCopperConductors;ore)UL1977,theStandardforComponentConnectorsforUseinData,Signal,ControlandPowerApplications.5.2.2V-0V-15.3.1(a),(b)(c)5.35.3.13mmNovember29,20015PolymericMater