NFPA 70-2008 National Electrical Code
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 PAYMENTa74 1 year 150 a74 2 years 270 SAVE 30a74 3 years 390 SAVE 60Annual membership dues include a 45 subscription to NFPA Journal®. Regular membership in NFPA is individuCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 232041 MDTNo reproduction or networking permitted witho 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 National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 232041 MDTNo reproduction or networking permitted witho 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 National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 232041 MDTNo reproduction or networking permitted witho 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 National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 232041 MDTNo reproduction or networking permitted witho 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 sNEC SCHEDULE FOR 2011 2010 World Safety Conference and Exposition® No. of Weeks Between each Date Event Event Nov. 7, 2008 -- 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 al InterpretationNFPA 70National Electrical Code2008 EditionReference Article 517 F.I. 99-1 NFPA 70Question Does Part II of Article 517 of the NEC apply to patient sleeping rooms of nursing al InterpretationNFPA 70National Electrical Code®2008 EditionReference 410, Part XI F.I. 81-6Question Is it intended that fixtures 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, 110.12,640.6A, 720.11,72VWWWWINDEX Working spaceCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 232041 MDTNo reproduction or neTTTTTTTTTTTTTVTUnderfloorUndergrUndergrThermally protected thermal protection INDEXCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100TINDEX Thermally protected thermal protectionCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 232041 MSwitches INDEXCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 232041 MDTNo reproduction or networking pSupports,SupprSurfaceSurfaceSurfaces,SurgeSurgeSurgeSwimmingINDEX SwitchesCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for ReSignalingSignalsSignSignsSite-isolatingSkeletonSmokeSnapSnowSolarSolarSolderlessSolidlySoundSpaceSpaceSpacingSpasSpecialSpiderSplicesService equipment INDEXCopyright National Fire Protection AssociatiRigidRoadRodRoofRoofs,RoomRooms,INDEX Service equipmentCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 23RecessedRecordingRecrRecrRecrRecrRecrRefrigerationRefrigerationRefrigerators,RegulatorRadio and television equipment INDEXCopyright 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 NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/2PliablePluggingPlugs,PointPointPolarizationPolesPoolPools,PortablePortablePortablePortablePortablePortablePortablePositive-prPowerPowerPowerPowerPowerPowerPowerPowerPowerPowerPowerPrPrPrPrPrPrPermanenINDEX Periodic dutyCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 232041 MDTNo reproduction or networkOutletOutlineOutputOutsideOutsideOvens,OverOverOverOperable, externally INDEXCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not forNeutralNightclubs,Nipples,Noise,NonautomaticNonelectricalNongrNonincendiveNonincendiveNonincendiveNonlinearNonmetallicNonmetallicNonmetallicINDEX Open wiring on insulatorsCopyright National Fire ProteMotorMotorMotors,MountingMovingMobile homes INDEXCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 232041ManufacturManufacturManufacturMarinasMarkings,MeansMechanicalMediumINDEX Mobile homesCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100ListedLiveLoadsLocationLocationsLockedLightning surge protection INDEXCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for ResaLacquersLampholdersLamps,INDEX Lightning surge protectionCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/200IntermediateIntermittentInterprInterrupterInterruptingIntersystemIntrinsicallyIntrinsicallyIntrinsicallyIntrInverterIrIrrigationIsolatedIsolatingIsolatingIsolationIsolationIsolationJoints,InstrumentatHotHouseboats,HybridHydrIdentification,IdentifiedIllumination,ImmersibleImmersionImmersionINDEX InstructionsCopyright National Fire Protection Association Provided by IHS under license with NFPALicensHazardousHazardousHeadersHealthHazardous classified locations INDEXCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale,GuestGutters,Hallways,Handlamps,Hangars,HazardHazardousHazardousHazardousINDEX Hazardous classified locationsCopyright National Fire Protection Association Provided by IHS under license with NFPALicGrGrGenerators INDEXCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 232041 MDTNo reproduction or networFull-loadFurnacesFuseholdersFuses,INDEX GeneratorsCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 23204FixedFixedFixturFixturFlameFlammableFlammableFlammable-liquidFlammableFlashers,FlatFlatFixed electric heating equipment for pipelines and vessels INDEXCopyright National Fire Protection Association PrFarmFaultFaultFeederFeeders,Feed-thrFerrFestoonFestoonFiberFibers/flyings,INDEX Fixed electric heating equipment for pipelines and vesselsCopyright National Fire Protection Association Provided by IHSEnamel,EnclosedEnclosurEnergizedEnergizedEnergy-limited,EnforEntertainmentEquipment,EquipmentEquipmentElectrolytic cells INDEXCopyright National Fire Protection Association Provided by IHS under licenDumbwaiters,Dust-ignitionprDusts,Dusttight,DutyDutyDwellings,EccentricElbows,ElectricalElectricalElectricalElectricallyElectricalINDEX Electrodes, groundingCopyright National Fire Protection AssociatiDielectricDifDimensionsDimmersDiningDipDirDisconnectingDC systems INDEXCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for ResalCordCorrCorrCorrINDEX DC systemsCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 232041 MDTNo reproductiConduitConduitConduitConduitsConnectionsConnectorsConstant-voltageConstruction,Construction,ConstructionConductors INDEXCopyright National Fire Protection Association Provided by IHS under license witINDEX ConductorsCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 232041 MDTNo reproduction or networkingClothesClothesClothingCO/ALRCollectorCollectors,ColorCombustibleCombustibleCombustible-liquidCommerCommonCommonCommunicationsCommunicationsCommunityCircuits INDEXCopyright National Fire Protection AssCapacitors,Caps,Carnivals,CartridgeCACeilingCellINDEX CircuitsCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/BuildingBuildingBuildingBulkBullBurglarBusbarsBushingsBusways,BypassCabinets,CableCablebus,CableCableCableCablesBranch circuits INDEXCopyright National Fire Protection Association Provided by IHS undeBathtubsBatteries,BatteryBedrBellBends,BlockBlockingBoathousesBoatyards,Bodies,BoilersBonding,INDEX Branch circuitsCopyright National 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 provisionsindex orUnfinished attics and roofspaces, knob-and-tubeACACAdministrationAerial aerial cables, 830.44Agricultural buildings, Art. 547Rating, 440.41Definitions, 440.2, 551.2A80.27 Inspector’s Qualifications.A Certificate. All electrical inspectors shall be certifiedby a nationally recognized inspector certification programaccepted by the Board. The certification programANNEX H Annex H AdministrationCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 232041 MDTNo reproductio34567Htensions12380.21shallAhabilitation,ANNEX HAnnex H AdministrationCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980ANNEX H Annex H AdministrationCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 232041 MDTNo reproductioness.carryitycallFfollowing12345G123ANNEX HAnnex H AdministrationCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/99807551ANNEX H Annex H AdministrationCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 232041 MDTNo reproductiotion of this Code shall comply with its requirements.permittedjurisdictionCodechangesamountonCations,shallrequiringquirementstions,comebuildingElectricalbranchtheare80.1AshallprovisionsBpiedto12 Concurrent maintenance capabilities, to allow the test-ing, troubleshooting, repair, and/or replacement of acomponent or subsystem while redundant compo-nents or subsystems are serving the loaol and11 The SCADA system shall have a separate data storagefacility not located in the same vicinity.Bshall123Cshall12356Dmaintainedand1systems1 A documented preventive m1 Selectively adding redundant units e.g., generators, 1 Functional Perance Tests FPTs.ANNEX F Annex F Critical Operations Power SystemsCopyright National Fire Protection AssociatioOperationsFPT1 The frequency of occurrence of failures. Failures may23andusedTheReliabilityoverFor95ingitytry12quicklypreventivestoredcommonlyrectiveMaintainabilitydesigncorrectforbeingreliquires a minimum of one-hour rated 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 under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09ANNEX D Annex D ExamplesCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 232041 MDTNo reproduction or nDeterminesupplyingspeedmotorcontrollerratedandanConductorConductorAadishwasher；LightingLightingSmall-applianceLaundryFirstRemainderAmperLightingHeaterFanDishwasherRangeBasedsupplyANNEX DAnnex D ExamANNEX D Annex D ExamplesCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 232041 MDTNo reproduction or nFurtheringMinimumconductorsMinimumMinimumForNetFeederNetNetMinimumForRangesMainFurtherFirstBalance200276.5ANNEX DAnnex D ExamplesCopyright National Fire Protection Association Provided by IHS underANNEX D Annex D ExamplesCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 232041 MDTNo reproduction or nThattheseemingraph]inimumAMetersingOne-halfceedingaccordanceAreaLaundrytoCalculatedGeneralSpecialMinimumGeneralSmall-ApplianceRangeMinimumCalculatedGeneralSmallApplicationFirst5520RangeSizeForForFANNEX D Annex D ExamplesCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 232041 MDTNo reproduction or n1500Three30009000220.55capacityOvensClothesDishwasherCalculatedThenot12-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 of 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 NFPALicenseeAramco HQ/9980755100 Not for Resale, 09/23/2007 232041 MDTNo reproduction or netwTrade Size103412951556TFE41 6390PFA, PFAH, 1/0 92027 34 5375ANNEX C Annex C TablesCopyright National Fire Protection Association Provided by IHS under license with NFPALicenseeAramco HQ/9980
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