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【英文标准名称】:Multi-PointInterconnectionPowerCableAssembliesforIndustrialMachinery
【原文标准名称】:工业机械用多点互连电力电缆组件调查大纲
【标准号】:ULSUBJECT2237-2011
【标准状态】:现行
【国别】:美国
【发布日期】:2011-08-08
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:1.1Thisoutlineofinvestigationcoversmulti-pointinterconnectionpowercableassemblies.Theymayconsistofpowercableassemblies,maleandfemalepowercablefittings,panel-mountedpowercable/conductorfittingsandfeeder-tappowercablefittingsusedwithindustrialmachineryinaccordancewiththeNationalFireProtectionAssociationElectricalStandardforIndustrialMachinery,NFPA79.1.2Theseinterconnectionpowercableassembliesareintendedtobeusedinanindustrialenvironmenttodistributethepowertobranchcircuits,includingmotorbranchcircuits,ofindustrialmachinery.1.3Devicescoveredunderthisoutlineofinvestigationareonlyintendedforindooruse,unlessotherwiseidentified.1.4Thepowercableassembliescoveredunderthisoutlineofinvestigationarerated600Vorless.Eachpowercableassembliesandfittingsareratedinvoltsandamperes.Theelectricalratingsaremarked,oneachdeviceoronaflaglabelaffixedtoeachindividualpowercableassembly.1.5Thecableassemblyfittingsandpanel-mountfittingsareintendedtobeinstalledinaccordancewiththemanufacturer’sinstallationinstructions.Thecableassemblyfittingsareintendedtobeassembledormoldedonflexiblecord.Thepowercableassembliesandmatingfittingsarenotintendedtobeusedasasubstituteforthefixedwiringofthebuildingstructure.Thepowercableassembliesandmatingfittingsmaybeconnectedtothefixedwiringofthebuildingstructure;usingafeedertapfittingormale/femalecablefitting.1.6Powercableassembliesandfittingscoveredunderthisoutlineofinvestigationarenotintendedtomakeorinterruptcurrentunderloadconditions.Thesepowercableassembliesandfittingshavebeeninvestigatedtotheirmarkedshort-circuitcurrentrating.Powercableassembliesandfittingsmayspecifyamaximumampererating,typeofovercurrentprotectivedevice,orboth.Unlessotherwisemarked,thepowercableassembliesandfittingsareintendedtobesuppliedfromanovercurrentprotectivedeviceofthemaximumampereratingpermittedbytheRelationshipBetweenConductorSizeandMaximumRatingorSettingofShort-CircuitProtectiveDeviceforPowerCircuitsTable,Table7.2.10.4oftheNationalFireProtectionAssociationElectricalStandardforIndustrialMachinery,NFPA79.1.7Thisoutlineofinvestigationdoesnotcovermale-to-malecableassembliesormulti-outletfittings.1.8Thesedevicesareintendedforuseonlywiththemanufacturer’ssamelineofproductscoveredunderthisoutlineofinvestigation.
【中国标准分类号】:K13
【国际标准分类号】:
【页数】:52P.;A4
【正文语种】:英语