UL 943B BULLETINS-2005 地面故障断流器

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【英文标准名称】:Ground-faultcircuit-interrupters
【原文标准名称】:地面故障断流器
【标准号】:UL943BBULLETINS-2005
【标准状态】:现行
【国别】:美国
【发布日期】:2005-01-01
【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】:
【英文主题词】:
【摘要】:ThisStandardappliestoClassA,single-andthree-phase,ground-faultcircuit-interruptersintendedforprotectionofpersonnel,foruseonlyingroundedneutralsystemsinaccordancewiththeNationalElectricalCode(NEC),ANSI/NFPA70,theCanadianElectricalCode,C22.1(CEC),andElectricalInstallations(Use),NOM-001-SEDE.Thesedevicesareintendedforuseonalternatingcurrent(AC)circuitsof120V,208Y/120V,120/240V,127V,or220Y/127V,60Hzcircuits.Note:InCanada,thetext"intendedforprotectionofpersonnel"isexcluded.Theserequirementsdonotcoverground-faultcircuit-interruptersintendedforuseincircuitsservedbyatransformerhavingwindingswhollyinsulatedfromeachother.ThisStandardappliestoallClassAground-faultcircuit-interrupters.TheseClassAGFCIsarepermittedtobeintegratedintootherdevices,inwhichcase,besidescomplyingwiththisStandard,thesedevicesaretocomplywiththecorrespondingapplicableStandardforthedeviceinquestion.ThisStandardincludesminimumrequirementsforthefunction,construction,performance,andmarkingsofground-faultcircuit-interruptersincludedinthescope.ThisStandardisintendedtocoveronlyClassAGFCIdevices.
【中国标准分类号】:K31
【国际标准分类号】:29_120_50
【页数】:
【正文语种】:英语


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Product Code:SAE ARP993
Title:Fluidic Technology (Cancelled Jun 1995)
Issuing Committee:A-6a3 Flight Control Systems Committee
Scope: The scope of this document is limited to encompass terminology, symbols, performance criteria and methods reflecting the current status of the technology. The purpose of this document is to promote the use of a common terminology and useful symbols and to encourage users and manufacturers of fluidic devices and systems to conform to meaningful standards of performance. This document is intended for use as the basis for a procurement specification for fluidic devices and systems when the need for such a specification arises. This document shall be the starting point for future SAE documents, either through revision or addition, in the field of fluidics as such documents become necessary.【英文标准名称】:QuantitiesUsedinElectricalScienceandElectricalEngineering,LetterSymbolsfor
【原文标准名称】:电工学和电气工程中使用的量值的字母符号
【标准号】:ANSI/IEEE280-1985
【标准状态】:现行
【国别】:美国
【发布日期】:1985
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:IEEE
【标准类型】:()
【标准水平】:()
【中文主题词】:符号;字母表
【英文主题词】:Alphabets;Electricalengineering;Lettersymbol;Symbols
【摘要】:Coverslettersymbolsusedtorepresentphysicalquantitiesinthefieldofelectricalscienceandelectricalengineering.Thesymbolsareindependentoftheunitsemployedorspecialvaluesassigned.
【中国标准分类号】:K04
【国际标准分类号】:01_080_40;29_020
【页数】:
【正文语种】:英语