【英文标准名称】:ULStandardforSafetyforLuminairesforUseinHazardous(Classified)LocationsTwelfthEdition;ReprintwithRevisionsThroughandIncludingJuly21,2006
【原文标准名称】:危险场所用电气照明装置
【标准号】:UL844-2006
【标准状态】:作废
【国别】:美国
【发布日期】:2006-01-11
【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】:电子照明系统;危险场所分类(电气设备用);照明系统;信号装置;警告装置
【英文主题词】:Electriclightingsystem;Hazardousareasclassification(forelectricalequipment);Lightingsystems;Signaldevices;Warningdevices
【摘要】:Theserequirementscoverfixedandportableluminairesforinstallationanduseinhazardous(classified)locations,ClassI,Divisions1and2,GroupsA,B,C,andD;ClassII,Division1,GroupsE,F,andG;ClassII,Division2,GroupsFandG;andClassIII,Divisions1and2,inaccordancewiththeNationalElectricalCode,NFPA70.Theserequirementsalsocoverexplosion-proofluminairesforinstallationanduseinClassI,Zone1,GroupsIIA,IIB,IIBplusHydrogen,andIIChazardous(classified)locations.Theserequirementscoverluminairesforuseonlyunderthefollowingatmosphericconditions:aminimumambienttemperatureofminus25鳦(minus13鳩),anoxygenconcentrationnotgreaterthan21percentbyvolume,andanominalbarometricpressureofoneatmosphere.
【中国标准分类号】:K35
【国际标准分类号】:29_140_40
【页数】:
【正文语种】:英语