UL 873 BULLETINS-2004 温度指示和调节设备
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【英文标准名称】:Temperature-indicatingand-regulatingequipment
【原文标准名称】:温度指示和调节设备
【标准号】:UL873BULLETINS-2004
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Theserequirementscoverelectricalequipmentforcontrolofair-conditioning,heating,cooking,refrigeration,andhumidity,rated600voltsorless,tobeusedinordinarylocationsinaccordancewiththeNationalElectricalCode,NFPA70.Theserequirementscovergeneral-useequipmentforfield-installationandcontrolsintendedtobefactoryinstalledonorincertainappliancesassafety,limiting,oroperatingcontrols.Thesecontrolsresponddirectlyorindirectlytochangesintemperature,humidity,orpressuretoeffectcontrolofequipmentorapplianceoperation.Theserequirementsdonotcoverlow-voltagethermostats,dampercontrolsorsimilardevicesintendedforconnectiononlytoalow-voltagecircuitoflimitedpowersuppliedbyaprimarybatteryorbyaClass2transformer.Anassemblyconsistingofaline-voltagetransformerwithalow-voltagesecondaryincorporatedasanintegralpartofacontrol,suchasathermostatoradampercontrol,isconsideredtobewithinthescopeoftheserequirements.See6.1.Aproductthatcontainsfeatures,characteristics,components,materials,orsystemsnewordifferentfromthosecoveredbytherequirementsinthisstandard,andthatinvolvesariskoffireorofelectricshockorinjurytopersonsshallbeevaluatedusingappropriateadditionalcomponentandend-productrequirementstomaintainthelevelofsafetyasoriginallyanticipatedbytheintentofthisstandard.Aproductwhosefeatures,characteristics,components,materials,orsystemsconflictwithspecificrequirementsorprovisionsofthisstandarddoesnotcomplywiththisstandard.Revisionofrequirementsshallbeproposedandadoptedinconformancewiththemethodsemployedfordevelopment,revision,andimplementationofthisstandard.
【中国标准分类号】:N11
【国际标准分类号】:17_200_20
【页数】:16
【正文语种】:英语
【原文标准名称】:温度指示和调节设备
【标准号】:UL873BULLETINS-2004
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Theserequirementscoverelectricalequipmentforcontrolofair-conditioning,heating,cooking,refrigeration,andhumidity,rated600voltsorless,tobeusedinordinarylocationsinaccordancewiththeNationalElectricalCode,NFPA70.Theserequirementscovergeneral-useequipmentforfield-installationandcontrolsintendedtobefactoryinstalledonorincertainappliancesassafety,limiting,oroperatingcontrols.Thesecontrolsresponddirectlyorindirectlytochangesintemperature,humidity,orpressuretoeffectcontrolofequipmentorapplianceoperation.Theserequirementsdonotcoverlow-voltagethermostats,dampercontrolsorsimilardevicesintendedforconnectiononlytoalow-voltagecircuitoflimitedpowersuppliedbyaprimarybatteryorbyaClass2transformer.Anassemblyconsistingofaline-voltagetransformerwithalow-voltagesecondaryincorporatedasanintegralpartofacontrol,suchasathermostatoradampercontrol,isconsideredtobewithinthescopeoftheserequirements.See6.1.Aproductthatcontainsfeatures,characteristics,components,materials,orsystemsnewordifferentfromthosecoveredbytherequirementsinthisstandard,andthatinvolvesariskoffireorofelectricshockorinjurytopersonsshallbeevaluatedusingappropriateadditionalcomponentandend-productrequirementstomaintainthelevelofsafetyasoriginallyanticipatedbytheintentofthisstandard.Aproductwhosefeatures,characteristics,components,materials,orsystemsconflictwithspecificrequirementsorprovisionsofthisstandarddoesnotcomplywiththisstandard.Revisionofrequirementsshallbeproposedandadoptedinconformancewiththemethodsemployedfordevelopment,revision,andimplementationofthisstandard.
【中国标准分类号】:N11
【国际标准分类号】:17_200_20
【页数】:16
【正文语种】:英语
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