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    NFPA 70-2008 National Electrical Code

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    1、Technical Support Technical Support by Phone/E-mail. Get fast, reliable answers to allcode related questionsfrom electrical safety for employee workplaces to carbon dioxideextinguishing systemsfroTERMS AND PAYMENT:a74 1 year ($150) a74 2 years ($270) SAVE $30a74 3 years ($390) SAVE $60Annual members。

    2、hip dues include a $45 subscription to NFPA Journal. Regular membership in NFPA is individuCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09/23/2007 23:20:41 MDTNo reproduction or networking permitted withoFORM FOR 。

    3、PROPOSALS FOR 2011 NATIONAL ELECTRICAL CODE INSTRUCTIONS PLEASE READ CAREFULLY Type or print legibly in black ink. Use a separate copy for each proposal. Limit each proposal to a SINGLE seCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755。

    4、100 Not for Resale, 09/23/2007 23:20:41 MDTNo reproduction or networking permitted withoFORM FOR PROPOSALS FOR 2011 NATIONAL ELECTRICAL CODE INSTRUCTIONS PLEASE READ CAREFULLY Type or print legibly in black ink. Use a separate copy for each proposal. Limit each proposal to a SINGLE seCopyright Natio。

    5、nal Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09/23/2007 23:20:41 MDTNo reproduction or networking permitted withoFORM FOR PROPOSALS FOR 2011 NATIONAL ELECTRICAL CODE INSTRUCTIONS PLEASE READ CAREFULLY Type or print legibly in bl。

    6、ack ink. Use a separate copy for each proposal. Limit each proposal to a SINGLE seCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09/23/2007 23:20:41 MDTNo reproduction or networking permitted witho FORM FOR PROPOSAL。

    7、S FOR 2011 NATIONAL ELECTRICAL CODE INSTRUCTIONS PLEASE READ CAREFULLY Type or print legibly in black ink. Use a separate copy for each proposal. Limit each proposal to a SINGLE sNEC SCHEDULE FOR 2011 (2010 World Safety Conference and Exposition) No. of Weeks Between each Date Event Event Nov. 7, 20。

    8、08 - Receipt of Proposals Jan. 11-24, 2009 10 (+1) Code-Making Panel MeetingsSequence of Events Leading to Issuance of an NFPA Committee DocumentStep 1: Call for Proposals Proposed new Document or new edition of an existing Document is entered into one of two yearly revision Formal InterpretationNFP。

    9、A 70National Electrical Code2008 EditionReference: Article 517 F.I. 99-1 (NFPA 70)Question: Does Part II of Article 517 of the NEC apply to patient sleeping rooms of nursing Formal InterpretationNFPA 70National Electrical Code2008 EditionReference: 410, Part XI F.I. 81-6Question: Is it intended that。

    10、 xtures installed in suspended ceilings be subject to the requirements oAdjacent to live parts (circuitsover 600 volts), 110.32to 110.34Manholes, 110.72, 110.73Motion picture projectors,540.12Switchboards, 110.26, 408.18Workmanlike installation, 110.12,640.6(A), 720.11,72VWWWWINDEX Working spaceCopy。

    11、right National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09/23/2007 23:20:41 MDTNo reproduction or neTTTTTTTTTTTTTVTUnderfloorUndergrUndergrThermally protected (thermal protection) INDEXCopyright National Fire Protection Associat。

    12、ion Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100TINDEX Thermally protected (thermal protection)Copyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09/23/2007 23:20:41 MSwitches INDEXCopyright Nati。

    13、onal Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09/23/2007 23:20:41 MDTNo reproduction or networking pSupports,SupprSurfaceSurfaceSurfaces,SurgeSurgeSurgeSwimmingINDEX SwitchesCopyright National Fire Protection Association Provide。

    14、d by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for ReSignalingSignalsSignSignsSite-isolatingSkeletonSmokeSnapSnowSolarSolarSolderlessSolidlySoundSpaceSpaceSpacingSpasSpecialSpiderSplicesService equipment INDEXCopyright National Fire Protection AssociatiRigidRoadRodRoofRoofs,RoomRo。

    15、oms,INDEX Service equipmentCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09/23/2007 23RecessedRecordingRecrRecrRecrRecrRecrRefrigerationRefrigerationRefrigerators,RegulatorRadio and television equipment INDEXCopyri。

    16、ght National Fire Protection Association Provided by IHS under license wPrPrPrPublicPublicPullPumps,INDEX Radio and television equipmentCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09/2PliablePluggingPlugs,PointPo。

    17、intPolarizationPolesPoolPools,PortablePortablePortablePortablePortablePortablePortablePositive-prPowerPowerPowerPowerPowerPowerPowerPowerPowerPowerPowerPrPrPrPrPrPrPermanenINDEX Periodic dutyCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980。

    18、755100 Not for Resale, 09/23/2007 23:20:41 MDTNo reproduction or networkOutletOutlineOutputOutsideOutsideOvens,OverOverOverOperable, externally INDEXCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not forNeutralNightclubs,Nipples,No。

    19、ise,NonautomaticNonelectricalNongrNonincendiveNonincendiveNonincendiveNonlinearNonmetallicNonmetallicNonmetallicINDEX Open wiring on insulatorsCopyright National Fire ProteMotorMotorMotors,MountingMovingMobile homes INDEXCopyright National Fire Protection Association Provided by IHS under license wi。

    20、th NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09/23/2007 23:20:41ManufacturManufacturManufacturMarinasMarkings,MeansMechanicalMediumINDEX Mobile homesCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100ListedLiveLoadsLocationLocat。

    21、ionsLockedLightning (surge) protection INDEXCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for ResaLacquersLampholdersLamps,INDEX Lightning (surge) protectionCopyright National Fire Protection Association Provided by IHS under 。

    22、license with NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09/23/200IntermediateIntermittentInterprInterrupterInterruptingIntersystemIntrinsicallyIntrinsicallyIntrinsicallyIntrInverterIrIrrigationIsolatedIsolatingIsolatingIsolationIsolationIsolationJoints,InstrumentatHotHouseboats,HybridHydrIden。

    23、tification,IdentifiedIllumination,ImmersibleImmersionImmersionINDEX InstructionsCopyright National Fire Protection Association Provided by IHS under license with NFPALicensHazardousHazardousHeadersHealthHazardous (classified) locations INDEXCopyright National Fire Protection Association Provided by 。

    24、IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for Resale,GuestGutters,Hallways,Handlamps,Hangars,HazardHazardousHazardousHazardousINDEX Hazardous (classified) locationsCopyright National Fire Protection Association Provided by IHS under license with NFPALicGrGrGenerators INDEXCopyrigh。

    25、t National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09/23/2007 23:20:41 MDTNo reproduction or networFull-loadFurnacesFuseholdersFuses,INDEX GeneratorsCopyright National Fire Protection Association Provided by IHS under license w。

    26、ith NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09/23/2007 23:20:4FixedFixedFixturFixturFlameFlammableFlammableFlammable-liquidFlammableFlashers,FlatFlatFixed electric heating equipment for pipelines and vessels INDEXCopyright National Fire Protection Association PrFarmFaultFaultFeederFeeders,。

    27、Feed-thrFerrFestoonFestoonFiberFibers/flyings,INDEX Fixed electric heating equipment for pipelines and vesselsCopyright National Fire Protection Association Provided by IHSEnamel,EnclosedEnclosurEnergizedEnergizedEnergy-limited,EnforEntertainmentEquipment,EquipmentEquipmentElectrolytic cells INDEXCo。

    28、pyright National Fire Protection Association Provided by IHS under licenDumbwaiters,Dust-ignitionprDusts,Dusttight,DutyDutyDwellings,EccentricElbows,ElectricalElectricalElectricalElectricallyElectricalINDEX Electrodes, groundingCopyright National Fire Protection AssociatiDielectricDifDimensionsDimme。

    29、rsDiningDipDirDisconnectingDC systems INDEXCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for ResalCordCorrCorrCorrINDEX DC systemsCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=A。

    30、ramco HQ/9980755100 Not for Resale, 09/23/2007 23:20:41 MDTNo reproductiConduitConduitConduitConduitsConnectionsConnectorsConstant-voltageConstruction,Construction,ConstructionConductors INDEXCopyright National Fire Protection Association Provided by IHS under license witINDEX ConductorsCopyright Na。

    31、tional Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09/23/2007 23:20:41 MDTNo reproduction or networkingClothesClothesClothingCO/ALRCollectorCollectors,ColorCombustibleCombustibleCombustible-liquidCommerCommonCommonCommunicationsCom。

    32、municationsCommunityCircuits INDEXCopyright National Fire Protection AssCapacitors,Caps,Carnivals,CartridgeCACeilingCellINDEX CircuitsCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09/23/BuildingBuildingBuildingBulk。

    33、BullBurglarBusbarsBushingsBusways,BypassCabinets,CableCablebus,CableCableCableCablesBranch circuits INDEXCopyright National Fire Protection Association Provided by IHS undeBathtubsBatteries,BatteryBedrBellBends,BlockBlockingBoathousesBoatyards,Bodies,BoilersBonding,INDEX Branch circuitsCopyright Nat。

    34、ional Fire Protection Association Provided by IHS under license with NFPAppliances,ApprArArArArArArArmorArmories,ArrayArrArtificiallyAskarAssemblyAtmosphericAttachmentAtticsAlarms INDEXCopyright National Fire Protection Association Provided by IHS under license with NFPALAssociation.the provisionsin。

    35、dex orUnfinished attics and roofspaces, knob-and-tubeACACAdministrationAerial aerial cables, 830.44Agricultural buildings, Art. 547Rating, 440.41Definitions, 440.2, 551.2A80.27 Inspectors Qualifications.(A) Certificate. All electrical inspectors shall be certifiedby a nationally recognized inspector。

    36、 certification programaccepted by the Board. The certification programANNEX H Annex H: AdministrationCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09/23/2007 23:20:41 MDTNo reproductio(3)(4)(5)(6)(7)(H)tensions(1)(。

    37、2)(3)80.21shall(A)habilitation,ANNEX HAnnex H: AdministrationCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980ANNEX H Annex H: AdministrationCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aram。

    38、co HQ/9980755100 Not for Resale, 09/23/2007 23:20:41 MDTNo reproductioness.carryitycall(F)following:(1)(2)(3)(4)(5)(G)(1)(2)(3)ANNEX HAnnex H: AdministrationCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/99807551ANNEX H Annex H: Administratio。

    39、nCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09/23/2007 23:20:41 MDTNo reproductiotion of this Code shall comply with its requirements.permittedjurisdictionCodechangesamounton(C)ations,shallrequiringquirementstio。

    40、ns,comebuildingElectricalbranchtheare80.1(A)shallprovisions(B)piedto(1(2) Concurrent maintenance capabilities, to allow the test-ing, troubleshooting, repair, and/or replacement of acomponent or subsystem while redundant compo-nent(s) or subsystem(s) are serving the loaol and(11) The SCADA system sh。

    41、all have a separate data storagefacility not located in the same vicinity.(B)shall(1)(2)(3)(C)shall(1)(2)(3)(5)(6)(D)maintainedand(1)systems(1) A documented preventive m(1) Selectively adding redundant units (e.g., generators, (1) Submit Functional Performance Tests (FPTs).ANNEX F Annex F: Critical 。

    42、Operations Power SystemsCopyright National Fire Protection AssociatioOperations(FPT(1) The frequency of occurrence of failures. Failures may(2)(3)andusedTheReliabilityoverFor95ingitytry(1)(2)quicklypreventivestoredcommonlyrectiveMaintainabilitydesigncorrectforbeingreliquires a minimum of one-hour ra。

    43、ted construction through-out the building. Non-rated construction allows non-ratedinterior partitions with certain restrictions. The maximumpermitted number of stories f110bCodeH: Heavy timber members.ANNEX EAnnex E: Construction TypesCopyright National Fire Protection Association Provided by IHS un。

    44、der license with NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09ANNEX D Annex D: ExamplesCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09/23/2007 23:20:41 MDTNo reproduction or nDeterminesupplyingspeed(motorco。

    45、ntrollerratedandanConductorConductorAadishwasher;LightingLightingSmall-applianceLaundryFirstRemainderAmperLightingHeaterFanDishwasherRangeBasedsupplyANNEX DAnnex D: ExamANNEX D Annex D: ExamplesCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9。

    46、980755100 Not for Resale, 09/23/2007 23:20:41 MDTNo reproduction or nFurtheringMinimumconductorsMinimumMinimumForNetFeederNetNetMinimumForRanges:MainFurtherFirstBalance:200276.5ANNEX DAnnex D: ExamplesCopyright National Fire Protection Association Provided by IHS underANNEX D Annex D: ExamplesCopyri。

    47、ght National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09/23/2007 23:20:41 MDTNo reproduction or nThattheseemingraphforminimumAMetersingOne-halfceedingaccordanceAreaLaundrytoCalculatedGeneralSpecialMinimumGeneralSmall-ApplianceRa。

    48、ngeMinimumCalculatedGeneralSmallApplicationFirst5520RangeSizeForForFANNEX D Annex D: ExamplesCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09/23/2007 23:20:41 MDTNo reproduction or n1500Three30009000220.55capacityO。

    49、vensClothesDishwasherCalculatedThenot12-kWdryerHeatThispumpGeneral2000TLaundryRangeWDishwasherClothesFirstRemainderHeat15pumpTNetHeatTherefore,ANNEX DAnnex D: ExamplesCExamplesRange: 8000 VA at 70% (see 220.61) 5,600 VADryer: 5500 VA at 70% (see 220.61) 3,850 VATotal of general load 17,880 VA9 kVA o。

    50、f heat at 40% (9000 VA 0.4) = 3,600 VAANNEX D Annex D: ExamplesCopANNEX CAnnex C: TablesCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980755100 Not for Resale, 09/23/2007 23:20:41 MDTNo reproduction or netw(Trade Size)103(4)129(5)155(6)TFE41 6390PFA, PFAH, 1/0 92027 34 5375ANNEX C Annex C: TablesCopyright National Fire Protection Association Provided by IHS under license with NFPALicensee=Aramco HQ/9980。

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