作者:标准资料网 时间:2024-05-20 13:10:34   浏览:9858   来源:标准资料网

【英文标准名称】:ULStandardforSafetyCablesforNon-Power-LimitedFire-AlarmCircuitsCOMMENTSDUE:FEBRUARY26,2007
【原文标准名称】:非功率限制型火灾报警电路用电缆UL安全性标准.评议提交截止日期:2007年2月26日
【标准号】:UL1425BULLETIN-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007-02-05
【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】:ThisStandardstatestheconstruction,test,andmarkingrequirementscoveringthesafetyofelectricalandelectrical/optical-fibercablesrated60?Cto250?Candintendedfor150-voltandlower-potentialnon-power-limitedcircuitsthatarecontrolledandpoweredbyafire-alarmsystem.ThesecablesareforinstallationinbuildingsasspecifiedinArticle760andotherapplicablepartsoftheNationalElectricalCode(NEC),NFPA70.Thesecablescontaintwoormoreinsulatedcircuitconductorswithorwithoutoneormoreinsulatedorbareequipment-groundingconductor(s).Eachinsulatedcircuitandgroundingconductorisratedfor600volts.Thesecablesdonotcontainanycoaxialmembers.Thesecablesareratedfor150Voltsandaremarked.Cablesofmaterialswhicharequalifiedfortemperaturesabove60?C(140?F)aremarkedwithatemperaturerating.Temperaturemarkingisnotrequiredforcablesthatqualifyforatemperatureratingof60?C(140?F).Cableswhicharequalifiedforexposuretosunlight(720-hoursunlight-resistancetest-see25.1)have"sunres"or"sunlightresistant"onthetagandeitherontheoverallcablejacketorlegiblethroughthejacket.Theserequirementsdonotcovercablesthatcontainonlyopticalfibers.optical-fibercableswithoutelectricalconductorsarecoveredintheStandardforopticalfibercable,UL1651
【中国标准分类号】:K13
【国际标准分类号】:13_220_20
【页数】:
【正文语种】:英语