【英文标准名称】:Fuseholders
【原文标准名称】:保险丝盒
【标准号】:UL512-1993
【标准状态】:作废
【国别】:美国
【发布日期】:1993-02-24
【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】:适配器;埃德森螺纹灯座;熔断器支持件;埃德森螺纹;接线柱;绝缘材料;密封;尺寸;埃德森螺帽;熔断器夹具;照明电路
【英文主题词】:Adapters;Contactclips;Dimensions;Edisonscrewlampholders;Edisonscrewthreads;Edisonscrew-cap;Fuse-holders;Insulatingmaterials;Lightingcircuit;Sealing
【摘要】:Theserequirementscovera(a)fuseholdersforEdison-baseandTypeSplugfuses,(b)fuseholdersforClassCC,G,H,J,K,R,andTcartridgefuses,and(c)devicestoadaptTypeSplugfusesforuseinEdison-basetobeemployedinlightingandpowercircuitsinaccordancewiththeNationalElectricalCode.Theserequirementsdonotcoverfusedattachmentplugs,car-lightingcutouts,protectivedevicesdesignedforsignalingsystemsorinstruments,orfuseholdersforlinkfuses.ACTL(circuit-limiting)fuseholderisonehavingsuchphysicalsizeorconfigurationthat,inconjunctionwiththephysicalmeansprovidedinaClassCTLpanelboardorotherdevice,installationofmoreovercurrent-protectivedevicesthanthenumberforwhichtheassemblyisdesignedandratedwillbeprovided.Exceptasnoted,adevicethathasprovisionforconnectiontotheconductorsofmorethanfourcircuits,otherthanthecircuitoracontinuationthereof,isconsideredtobeandjudgedasapanelboardratherthanafuseholder.Adevicethathas(a)provisionforconnectiontomorethanfourbutnotmorethan12branchcircuits,(b)receptaclesforplugfusesonly,and(c)beendesignedspecificallyforuseinanenclosedbranch-circuitcutoutisconsideredtobeandisjudgedasafuseholder.Afuseholderthathasbeendesignedspecificallyforuseinandenclosedbranch-circuitcutoutorinapanelboardassemblyisjudgedwithrespecttotheintendedapplicationaswellasbeingjudgedundertherequirementsinthisstandard.
【中国标准分类号】:K31
【国际标准分类号】:29_120_50
【页数】:48P.;A4
【正文语种】:英语