UL SUBJECT 2261-2005 网络供电式宽带通信系统用电缆调查大纲.发布编号:2
作者:标准资料网 时间:2024-05-22 10:47:50 浏览:8008
来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:OUTLINEOFINVESTIGATIONFORCABLESFORNETWORK-POWEREDBROADBANDCOMMUNICATIONSSYSTEMSIssueNumber:2
【原文标准名称】:网络供电式宽带通信系统用电缆调查大纲.发布编号:2
【标准号】:ULSUBJECT2261-2005
【标准状态】:现行
【国别】:美国
【发布日期】:2005-07-15
【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】:Thisoutlinestatesbasicconstruction,test,andmarkingrequirementsforthesafetyofelectricalandelectrical/opticalfibercablesthatareforuseinnetwork-poweredbroadbandcommunicationssystemsasspecifiedinArticle830andotherapplicablepartsoftheNationalElectricalCode(NEC),ANSl/NFPA70-2002.Thesecables("broadbandcables")areforuseasfixedwiringwithinandbetweenbuildingsandarealsoforserviceanddropuseenteringbuildingsandterminatingatnetworkinterfaceunits,whichconvertthebroadbandsignaltoitscomponentvoice,video,data,andinteractive-servicesignalsfordistributionbythecablesreferencedin1.17(a)-1.17(e).Broadbandcablesareinsulatedfor300volts(nomarking)andareofthespecifictypesandvoltageratingsdescribedin(a)-(0.Theusehierarchyofthesecablesisdescribedin(g).a)PLENUMCABLES-TypeBLP(electrical)andTypeBLP-OF(electrical/opticalfiber).Thesetypesarefor0-100voltIow-powercircuits.Thesetypesareforinstallationinbuildingswhereexposedinducts,plenums,andotherspacesusedtotransportenvironmentalair[NEC830.55(B)]andwhereexposedinverticalrunsinashaftorinverticalrunsthatpenetratemorethanonefloor[NEC830.55(C)(1)].Thesetypesarealsoforotherwiringinstalledexposedinbuildings[NEC830.55(D)].Thesetypesareratedandmarked"100volts"or"100V".b)RISERCABLES-TypeBMR(electrical)andTypeBMR-OF(electrical/opticalfiber).Thesetypesarefor0150voltmedium-powercircuits.Thesetypesareforinstallationinbuildingswhereexposedinverticalrunsinashaftorinverticalrunsthatpenetratemorethanonefloor[NEC830.54(B)and830.55(C)(1)].Thesetypesarealsoforexposeduseoutsideandenteringbuildings[NEC830.10(A)].Thesetypesareratedandmarked"150volts"or"150V".c)GENERAL-PURPOSECABLES-TypeBM(electrical)andTypeBM-OF(electrical/opticalfiber).Thesetypesarefor0-150voltmedium-powercircuits.Thesetypesareforgeneraluseexposedinbuildings[NEC830.54(C)and830.55(D)(1)],whichdoesnotincludeexposeduseinrisers(unlesstheshaftisfireproofwithfirestopsateachfloor)anddoesnotincludeexposeduseinplenums.Thesetypesarealsoforexposeduseoutsideandenteringbuildings[NEC830.10(A)].Thesetypesarenotfordirectburial.Thesetypesareratedandmarked"150volts"or"150V".d)OUTDOORUNDERGROUNDCABLESFORMEDIUM-POWERCIRCUITS-TypeBMU(electrical)andTypeBMU-OF(electrical/opticalfiber).Thesetypesarefor0-150voltmedium-powercircuits.Thesetypesareforenteringbuildingsinconduit[NEC830.54(C),Exception]fromdirectburial[NEC830.5(A)(1)].Thesetypesareratedandmarked"150volts"or"150V".
【中国标准分类号】:K13
【国际标准分类号】:
【页数】:
【正文语种】:英语
【原文标准名称】:网络供电式宽带通信系统用电缆调查大纲.发布编号:2
【标准号】:ULSUBJECT2261-2005
【标准状态】:现行
【国别】:美国
【发布日期】:2005-07-15
【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】:Thisoutlinestatesbasicconstruction,test,andmarkingrequirementsforthesafetyofelectricalandelectrical/opticalfibercablesthatareforuseinnetwork-poweredbroadbandcommunicationssystemsasspecifiedinArticle830andotherapplicablepartsoftheNationalElectricalCode(NEC),ANSl/NFPA70-2002.Thesecables("broadbandcables")areforuseasfixedwiringwithinandbetweenbuildingsandarealsoforserviceanddropuseenteringbuildingsandterminatingatnetworkinterfaceunits,whichconvertthebroadbandsignaltoitscomponentvoice,video,data,andinteractive-servicesignalsfordistributionbythecablesreferencedin1.17(a)-1.17(e).Broadbandcablesareinsulatedfor300volts(nomarking)andareofthespecifictypesandvoltageratingsdescribedin(a)-(0.Theusehierarchyofthesecablesisdescribedin(g).a)PLENUMCABLES-TypeBLP(electrical)andTypeBLP-OF(electrical/opticalfiber).Thesetypesarefor0-100voltIow-powercircuits.Thesetypesareforinstallationinbuildingswhereexposedinducts,plenums,andotherspacesusedtotransportenvironmentalair[NEC830.55(B)]andwhereexposedinverticalrunsinashaftorinverticalrunsthatpenetratemorethanonefloor[NEC830.55(C)(1)].Thesetypesarealsoforotherwiringinstalledexposedinbuildings[NEC830.55(D)].Thesetypesareratedandmarked"100volts"or"100V".b)RISERCABLES-TypeBMR(electrical)andTypeBMR-OF(electrical/opticalfiber).Thesetypesarefor0150voltmedium-powercircuits.Thesetypesareforinstallationinbuildingswhereexposedinverticalrunsinashaftorinverticalrunsthatpenetratemorethanonefloor[NEC830.54(B)and830.55(C)(1)].Thesetypesarealsoforexposeduseoutsideandenteringbuildings[NEC830.10(A)].Thesetypesareratedandmarked"150volts"or"150V".c)GENERAL-PURPOSECABLES-TypeBM(electrical)andTypeBM-OF(electrical/opticalfiber).Thesetypesarefor0-150voltmedium-powercircuits.Thesetypesareforgeneraluseexposedinbuildings[NEC830.54(C)and830.55(D)(1)],whichdoesnotincludeexposeduseinrisers(unlesstheshaftisfireproofwithfirestopsateachfloor)anddoesnotincludeexposeduseinplenums.Thesetypesarealsoforexposeduseoutsideandenteringbuildings[NEC830.10(A)].Thesetypesarenotfordirectburial.Thesetypesareratedandmarked"150volts"or"150V".d)OUTDOORUNDERGROUNDCABLESFORMEDIUM-POWERCIRCUITS-TypeBMU(electrical)andTypeBMU-OF(electrical/opticalfiber).Thesetypesarefor0-150voltmedium-powercircuits.Thesetypesareforenteringbuildingsinconduit[NEC830.54(C),Exception]fromdirectburial[NEC830.5(A)(1)].Thesetypesareratedandmarked"150volts"or"150V".
【中国标准分类号】:K13
【国际标准分类号】:
【页数】:
【正文语种】:英语
下载地址: 点击此处下载
