UL 493-2007 热塑绝缘的地下电源线和支路电缆
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【英文标准名称】:ULStandardforSafetyThermoplastic-InsulatedUndergroundFeederandBranch-CircuitCables
【原文标准名称】:热塑绝缘的地下电源线和支路电缆
【标准号】:UL493-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007-06-01
【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】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:电源;电力系统;电绝缘装置;特点;绝缘电缆;绝缘线;线性保护;作标记;多芯电缆;聚氯乙烯绝缘件;测试;热塑性聚合物;地下电缆
【英文主题词】:Currentsupply;Electricpowersystems;Electricalinsulationdevices;Features;Insulatedcables;Insulatedcords;Lineprotection;Marking;Multi-corecables;PVCinsulations;Testing;Thermoplasticpolymers;Undergroundcables
【摘要】:1.1Theserequirementscover14–4/0AWGsingle-conductorPVC-insulatedand-jacketedundergroundfeederandbranch-circuitcableandflatmultiple-conductorPVC-jacketedundergroundfeederandbranch-circuitcablescontainingtwoorthree14–6AWGPVC-insulatedcircuitconductorswithorwithoutagroundingconductor.TheseTypeUFcablesareintendedforuseinaccordancewithArticle340andotherapplicablepartsoftheNationalElectricalCode,ANSI/NFPA-70inwiringsystemsoperatingatapotentialof600Vorless.Submersiblewater-pumpcablesandmultiple-conductorassembliestowhichatype-letterdesignationisnotassignedarealsocoveredintheserequirements.1.2Multiple-conductorcablethatismarked"UF-B"hasa75°C(167°F)jacketandconductorswithinsulationof90°C(194°F)dryandatleast60°C(140°F)wetlocations.Multiple-conductorcablethatismarked"UF"hasa60°C(140°F)jacketandconductorswithinsulationfor60°C(140°F)dryandwetlocations.Single-conductorcableismarked"UF"andhasanintegralinsulationandjacketfor60°C(140°F)dryandwetlocations.Theampacityofallcablescoveredintheserequirementsisthatof60°C(140°F)conductors.1.3TheserequirementsdonotcoverinsulationotherthanPVC,roundcablescontainingtwoormorecircuitconductors,flatcablescontainingmorethanthreecircuitconductors,ormultiple-conductorcablescontainingcircuitconductorslargerthan6AWG.
【中国标准分类号】:K15
【国际标准分类号】:29_035_20;29_060_20
【页数】:42P.;A4
【正文语种】:英语
【原文标准名称】:热塑绝缘的地下电源线和支路电缆
【标准号】:UL493-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007-06-01
【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】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:电源;电力系统;电绝缘装置;特点;绝缘电缆;绝缘线;线性保护;作标记;多芯电缆;聚氯乙烯绝缘件;测试;热塑性聚合物;地下电缆
【英文主题词】:Currentsupply;Electricpowersystems;Electricalinsulationdevices;Features;Insulatedcables;Insulatedcords;Lineprotection;Marking;Multi-corecables;PVCinsulations;Testing;Thermoplasticpolymers;Undergroundcables
【摘要】:1.1Theserequirementscover14–4/0AWGsingle-conductorPVC-insulatedand-jacketedundergroundfeederandbranch-circuitcableandflatmultiple-conductorPVC-jacketedundergroundfeederandbranch-circuitcablescontainingtwoorthree14–6AWGPVC-insulatedcircuitconductorswithorwithoutagroundingconductor.TheseTypeUFcablesareintendedforuseinaccordancewithArticle340andotherapplicablepartsoftheNationalElectricalCode,ANSI/NFPA-70inwiringsystemsoperatingatapotentialof600Vorless.Submersiblewater-pumpcablesandmultiple-conductorassembliestowhichatype-letterdesignationisnotassignedarealsocoveredintheserequirements.1.2Multiple-conductorcablethatismarked"UF-B"hasa75°C(167°F)jacketandconductorswithinsulationof90°C(194°F)dryandatleast60°C(140°F)wetlocations.Multiple-conductorcablethatismarked"UF"hasa60°C(140°F)jacketandconductorswithinsulationfor60°C(140°F)dryandwetlocations.Single-conductorcableismarked"UF"andhasanintegralinsulationandjacketfor60°C(140°F)dryandwetlocations.Theampacityofallcablescoveredintheserequirementsisthatof60°C(140°F)conductors.1.3TheserequirementsdonotcoverinsulationotherthanPVC,roundcablescontainingtwoormorecircuitconductors,flatcablescontainingmorethanthreecircuitconductors,ormultiple-conductorcablescontainingcircuitconductorslargerthan6AWG.
【中国标准分类号】:K15
【国际标准分类号】:29_035_20;29_060_20
【页数】:42P.;A4
【正文语种】:英语
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