DIN 4925 T.1-1981 钻井用带横槽和螺纹的DN40至DN10未增塑聚氯乙烯过滤管和实壁管

上一篇: ANSI/ASME B31.3a Addenda-1981 化工厂和炼油厂管道.修改件
下一篇: DIN 4925 T.2-1981 钻井用带横槽及螺纹的DN125至DN200未增塑聚氯乙烯管和实壁管

【英文标准名称】:NationalElectricalCode?
【原文标准名称】:国家电气规程
【标准号】:ANSI/NFPA70-2011
【标准状态】:现行
【国别】:美国
【发布日期】:2011
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:规程;导电体;电气工程;安全工程;安全性要求
【英文主题词】:Codes;Electricconductors;Electricalengineering;Safetyengineering;Safetyrequirements
【摘要】:(A)Covered.ThisCodecoverstheinstallationofelectricalconductors,equipment,andraceways;signalingandcommunicationsconductors,equipment,andraceways;andopticalfibercablesandracewaysforthefollowing:(1)Publicandprivatepremises,includingbuildings,structures,mobilehomes,recreationalvehicles,andfloatingbuildings(2)Yards,lots,parkinglots,carnivals,andindustrialsubstationsFPNto(2):Foradditionalinformationconcerningsuchinstallationsinanindustrialormultibuildingcomplex,seeANSIC2-2002,NationalElectricalSafetyCode.(3)Installationsofconductorsandequipmentthatconnecttothesupplyofelectricity(4)Installationsusedbytheelectricutility,suchasofficebuildings,warehouses,garages,machineshops,andrecreationalbuildings,thatarenotanintegralpartofageneratingplant,substation,orcontrolcenter.(B)NotCovered.ThisCodedoesnotcoverthefollowing:(1)Installationsinships,watercraftotherthanfloatingbuildings,railwayrollingstock,aircraft,orautomotivevehiclesotherthanmobilehomesandrecreationalvehiclesFPN:AlthoughthescopeofthisCodeindicatesthattheCodedoesnotcoverinstallationsinships,portionsofthisCodeareincorporatedbyreferenceintoTitle46,CodeofFederalRegulations,Parts110-113.(2)Installationsundergroundinminesandself-propelledmobilesurfaceminingmachineryanditsattendantelectricaltrailingcable(3)Installationsofrailwaysforgeneration,transformation,transmission,ordistributionofpowerusedexclusivelyforoperationofrollingstockorinstallationsusedexclusivelyforsignalingandcommunicationspurposes(4)Installationsofcommunicationsequipmentundertheexclusivecontrolofcommunicationsutilitieslocatedoutdoorsorinbuildingspacesusedexclusivelyforsuchinstallations(5)Installationsundertheexclusivecontrolofanelectricutilitywheresuchinstallationsa.Consistofservicedropsorservicelaterals,andassociatedmetering,orb.Arelocatedinlegallyestablishedeasements,rights-of-way,orbyotheragreementseitherdesignatedbyorrecognizedbypublicservicecommissions,utilitycommissions,orotherregulatoryagencieshavingjurisdictionforsuchinstallations,orc.Areonpropertyownedorleasedbytheelectricutilityforthepurposeofcommunications,metering,generation,control,transformation,transmission,ordistributionofelectricenergy.FPNto(4)and(5):Examplesofutilitiesmayincludethoseentitiesthataretypicallydesignatedorrecognizedbygovernmentallaworregulationbypublicservice/utilitycommissionsandthatinstall,operate,andmaintainelectricsupply(suchasgeneration,transmission,ordistributionsystems)orcommunicationsystems(suchastelephone,CATV,Internet,satellite,ordataservices).Utilitiesmaybesubjecttocompliancewithcodesandstandardscoveringtheirregulatedactivitiesasadoptedundergovernmentallaworregulation.Additionalinformationcanbefoundthroughconsultationwiththeappropriategovernmentalbodies,suchasstateregulatorycommissions,FederalEnergyRegulatoryCommission,andFederalCommunicationsCommission.(C)SpecialPermission.TheauthorityhavingjurisdictionforenforcingthisCodemaygrantexceptionfortheinstallationofconductorsandequipmentthatarenotundertheexclusivecontroloftheelectricutilitiesandareusedtoconnecttheelectricutilitysupplysystemtotheservice-entranceconductorsofthepremisesserved,providedsuchinstallationsareoutsideabuildingorterminateimmediatelyinsideabuildingwall.
【中国标准分类号】:K04
【国际标准分类号】:13_260;29_020;29_060_01
【页数】:
【正文语种】:英语


Product Code:SAE AMS4156
Title:Aluminum Alloy, Extrusions 0.68Mg - 0.40Si (6063-T6) Solution and Precipitation Heat Treated
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers an aluminum alloy in the form of extruded bars, rods, wire, profiles, and tubing.