11/19/2015 national fire second revision 1502-nfpa …...... change "ansi c2-2007" to "ansi/ieee...

11/19/2015 NationalFireProtectionAssociationReport

http://submittals.nfpa.org/TerraViewWeb/ContentFetcher?commentParams=%28CommentType%3D%22SR%22%29&path=/TerraView/Content/70-2014.dit 1/798

SecondRevisionNo.1502-NFPA70-2015[GlobalComment]

ThroughoutArticle400addtheword" flexible" infrontof"cable" wheretheterm"flexiblecordandcable" appear.Donotmakethischangewithinadocumenttitle.

SubmitterInformationVerification

SubmitterFullName:ChadDuffyOrganization: [NotSpecified]StreetAddress:City:State:Zip:SubmittalDate: MonNov0213:44:12EST2015

CommitteeStatement

CommitteeStatement:

ThischangeisbasedontherecommendationfromthecorrelatingcommitteeperthestatementinPC#1740.

ResponseMessage:

PublicCommentNo.1740-NFPA70-2015[PartI.]




SEEATTACHEDFILEFORREWRITEOFINFORMATIONALNOTENO1.

THISINFORMATIONALNOTENO.1ISREPLACINGEXISTINGINFORMATIONALNOTENO.1INTHEFOLLOWINGSECTIONS:

800.24820.24830.24

SupplementalInformation

FileName DescriptionAttachement_file_for_SR_4503.doc attachfileforrewriteInfoNoteSR4503


SubmitterFullName:ChrisCoacheOrganization: [NotSpecified]StreetAddress:City:State:Zip:SubmittalDate: MonNov0214:34:43EST2015

CommitteeStatement

CommitteeStatement:

TelecommunicationsIndustryAssociation(TIA)initsrevisionprocesscorrectedanerrorintheirnumberingscheme.HencethetwonewpartsareANSI/TIA-568.0-D(generic)andANSI/TIA-568.1-D(commercialbuildings).Currenteditionsofthedocumentsarealsoprovided.AdditionalTIAstandardsareaddedforcompleteness.TheANSIdesignationforTIAstandardsisretainedasthesestandardsutilizetheANSIstandardsdevelopmentprocessandshouldbesodesignated.

ResponseMessage:

PublicCommentNo.192-NFPA70-2015[SectionNo.800.24]



PublicCommentNo.196-NFPA70-2015[GlobalInput]




1)Change"ANSIC2-2007"to"ANSI/IEEEC2-2012"inthefollowingplaces:225.1InformationalNote225.60(C)InformationalNote225.61(B)InformationalNote230.200InformationalNote

2)Change"NETAATS-2007"to"ANSI/NETAATS-2013"in225.56(B)InformationalNote.


SubmitterFullName: BarryChaseOrganization: [NotSpecified]StreetAddress:City:State:Zip:SubmittalDate: MonNov0216:50:34EST2015

CommitteeStatement

CommitteeStatement: Thisrevisionupdatesreferencestocurrenteditionsinseveralplaces.ResponseMessage:

PublicCommentNo.125-NFPA70-2015[Article225]





SecondRevisionNo.1005-NFPA70-2015[Detail]

RevisetitleofPartIVinArticle705:

PartIV.IntentionallyIslandedandStand-AloneMicrogridSystems


SubmitterFullName: BarryChaseOrganization: [NotSpecified]StreetAddress:City:State:Zip:SubmittalDate: ThuNov0518:31:30EST2015

CommitteeStatement

CommitteeStatement:

ThisrevisedtitleremovesreferencetoStand-AloneSystems,whicharecoveredin710.

Theterm"IntentionallyIslandedSystems"ischangedto"MicrogridSystems,"whichisthemodernindustrytermforthesystemsaddressedbythisPart.

ResponseMessage:

PublicCommentNo.1521-NFPA70-2015[PartIV.]




RevisethetitleofArticle250,PartX:

PartX.GroundingofSystemsandCircuitsofover10002000Volts


SubmitterFullName: BarryChaseOrganization: [NotSpecified]StreetAddress:City:State:Zip:SubmittalDate: TueNov1011:29:04EST2015

CommitteeStatement

CommitteeStatement: Thetitleisalignedwiththevoltagelevelinthefollowingsubsections.ResponseMessage:




Revisethetitleof250.186:

250.186GroundingService-SuppliedAlternating-CurrentSystemsofover1000Volts



CommitteeStatement

CommitteeStatement:

ThetextisrevisedtocorrecttranscriptionerrorsintheFirstRevisionandtoreflectthepanelactionintheFirstRevisionmeeting.

ResponseMessage:






SeeAttachedWordDocument[310.15(B)(3)_1506_CD]


FileName Description310.15_B_3_1506_CD.docx Revised310.15(B)(3)(a)


SubmitterFullName:ChadDuffyOrganization: [NotSpecified]StreetAddress:City:State:Zip:SubmittalDate: TueNov0312:48:31EST2015

CommitteeStatement

CommitteeStatement:

Statement:NoinstancesofcompromisedsafetyweresubmittedtothepaneltosupporttheprohibitionagainstusingtheExceptionin310.15(A)(2).Whilethelanguagein310.15(A)(2)Exceptionand310.15(B)(3)(a)mayconflictinalimitednumberofcases,moreinformationneedstobesubmittedtothepanel.

Therewriteof310.15(B)(3)(a)(4)exceptionto4makesitclearthattheexceptionappliestothesamesize,typeandconstructionofcables,butthatanadjustmentfactorisnecessaryforadifferentinstallationconditionthanindicatedinlistitem(d).TheexceptionlanguageandplacementisinaccordancewiththeNECStyleManual2.6.1andaddressestheCCconcerns.

Thecommitteeagreestodeletethelanguagein310.15(B)(3)(a)(5)asrecommendedinPI3375andPC1041thosechangeswerenotproperlyreflectedintheFirstDraft.

ResponseMessage:

PublicCommentNo.1041-NFPA70-2015[SectionNo.310.15(B)(3)]







Newi tem11asballotabledetail

336.10(11)

(11)Inhazardous(classified)locationswherespecificallypermittedbyotherarticlesinthisCode.ForClassI,Division1andZone1locationsonly,TypeTCcableusedforotherthanflexibleconnectionsshallalsocomplywiththefollowing:

a.Thecablejacketandconstructionshallbeevaluatedandl istedforthespecifichazardousmaterialspresentinthelocation,b.Thehazardousmaterialgroup(s)evaluatedshallbemarkedonthecable,c.Thecablediametershallbel imitedto1 orsmaller,d.Thecableshallbepermittedonlyforvoltagesof150voltstogroundorlessandcurrentsof30ampsorless,ande.Thecableshallbemarkedboth -ER and -HL


SubmitterFullName:DickOrganization: [NotSpecified]StreetAddress:City:State:Zip:SubmittalDate: ThuNov1214:03:17EST2015

CommitteeStatement

CommitteeStatement:

RevisionsarebeingmadeinordertocorrelatetheUsesPermittedforTypeTCcablewiththepermittedinstallationsinSections501.10(A)(1)(f)and505.15(B)(1)(i).Manyproposalsweresubmittedduringthe2014and2017NECrevisioncyclesrequestingandopposingtheuseofTypeTCcableforuseinhazardouslocations.ThisresultedinFirstRevision3940expandingtheuseoftraycableintogeneralwiringforClassI,DivisionIlocationsandremovingthesizerestrictionforClassI,Zone1locations.ThePanelhasevaluatedboththeproposalsandinformationprovidedbymanufacturersofTypeTCcable,andtheaddedlanguageto336.10willprovideguidancetousersofTypeTCfortheallowedusesinhazardouslocationsforthe2017NEC.Technicalsubstantiationwassubmittedtothepanelindicatingthatmanyofthehazardousmaterialswillhaveanadverseeffectoncommerciallyavailablejacketingmaterials.

ResponseMessage:




DIRECTIONS:Thechangetotheleadinparagraphof210.8(B)andthedeletionof(B)(1)MUSTBEVOTEDASONEBALLOT.

(B)OtherThanDwellingUnits.All125 -volt,single-phase, 15-and20-ampere receptacles single-phasereceptaclesrated150voltstogroundorless , 50amperesorlessandthree-phasereceptaclesrated150voltstogroundorless,100amperesorless, installedinthelocationsspecifiedin210.8(B)(1)through(8) (10) shallhaveground-faultcircuit-interrupterprotectionforpersonnel.

(1)ClassAGround-FaultCircuit-InterrupterProtection(GFCI).(a)Allsingle-phasereceptaclesrated150voltstogroundorless,50amperesorless,shallhaveGFCIprotectionforpersonnel,(b)Allthree-phasereceptaclesrated150voltstogroundorless,100amperesorless,shallhaveGFCIprotectionforpersonnel.


SubmitterFullName:ChrisCoacheOrganization: [NotSpecified]StreetAddress:City:State:Zip:SubmittalDate: TueNov1020:27:13EST2015

CommitteeStatement

CommitteeStatement:

Receptaclesofthehighervoltageandcurrentratingsinthelocationsidentifiedin210.8(B)presentthesimilarshockhazardsasthoseoflowervoltageandcurrentratings.Thenumberingin

theintroductoryparagraphwaschangedtocorrelatewiththerevisionstothesection.Item(1)(a)and(1)(b)wereincorporatedintotheopeningparagraph.

ResponseMessage:

PublicCommentNo.642-NFPA70-2015[SectionNo.210.8(B)]



http://submittals.nfpa.org/TerraViewWeb/ContentFetcher?commentParams=%28CommentType%3D%22SR%22%29&path=/TerraView/Content/70-2014.d 10/798


SEEATTACHEDFORINFORMATIONALNOTECHANGES


FileName Description

Attach_file_for_SR4563_DETAIL_for_800_INFORMATIONAL_NOTE.pdf InformationalNotefor800SR-4563.


SubmitterFullName:ChrisCoacheOrganization: [NotSpecified]StreetAddress:City:State:Zip:SubmittalDate: WedNov0413:28:25EST2015

CommitteeStatement

CommitteeStatement:

SuperfluoustextisremovedandthecaptionforInformationalNoteFigure800(b)isrevisedtostate:"InformationalNoteFigure800(b).IllustrationofaGroundingElectrodeConductorinaCommunicationsInstallation.

ResponseMessage:

PublicCommentNo.243-NFPA70-2015[Article800[ExcludinganySub-Sections]]




Changetitleto:Article555Marinas,BoatyardsandCommercialandNoncommercialDockingFacilities


SubmitterFullName:ChrisFarrellOrganization: [NotSpecified]StreetAddress:City:State:Zip:SubmittalDate: MonNov0218:48:08EST2015

CommitteeStatement

CommitteeStatement:

CMP19recognizesthatincludingbothcommercialandnoncommercialdockingfacilitiesaddsclaritytothetitle.

ResponseMessage:





[Changethetitleof690.31(G)tothefollowing](G)PhotovoltaicSystemDcCircuitsonorInaBuilding.



CommitteeStatement

CommitteeStatement: Thetitleisrevisedforbrevity.ResponseMessage:



SecondRevisionNo.6-NFPA70-2015[Definition:Accessible,Readily

(ReadilyAccessible).]

100,1

Accessible,Readily(ReadilyAccessible).Capableofbeingeasily reachedquickly foroperation,service renewal ,orinspectioninspections withoutrequiringthosetowhomreadyaccessisrequisiteto actionssuchasthe to useof tools(otherthankeys) ,theneed toclimboverorunder,theneedtoremoveobstacles,ortheuseofportableladdersorsimilarequipment. toresorttoportableladders,andsoforth.

InformationalNote:UseofkeysisacommonpracticeundercontrolledorsupervisedconditionsandacommonalternativetothereadyaccessrequirementsundersuchsupervisedconditionsasprovidedelsewhereintheNEC.


SubmitterFullName:NancyPearceOrganization: [NotSpecified]StreetAddress:City:State:Zip:SubmittalDate: ThuNov1218:01:10EST2015

CommitteeStatement

CommitteeStatement:

ThePanelconsideredtherelevantpointsmadeinPublicComments1731,1039,199,and300andmaintainsthatthedefinitionofAccessible,Readilyinthe2014NECisappropriatewithminorrevisions.ThenewwordsotherthankeysaddressestheconcernsaboutuseofkeysexpressedinPublicComments1731and199.CMP-1ismaintainingthetexttowhomreadyaccessisprerequisiteaddressingconcernsidentifiedinPublicComments1039,1731,and300.CMP-1affirmsthatthedefinitionasrevisedprovidesconsistentandappropriateapplicationofrequirementsthatusetheterm.ThenewinformationalnoteprovidesuserswithclarificationabouthowtotreatsupervisedorcontrolledconditionsthatexistintheNECthatmodifyageneralrequirementbyspecificconditionsthatrecognizecontrolledaccess,oftengainedbyuseofkeys.

ResponseMessage:

PublicCommentNo.300-NFPA70-2015[Definition:Accessible,Readily(ReadilyAccessible).]






SecondRevisionNo.3912-NFPA70-2015[Definition:CombustibleDust

[asappliedtoHazardous(Clas...]

100,

CombustibleDust[asappliedtoHazardous(Classified)Locations].Dustparticlesthatare500micronsorsmaller(materialpassingaU.S.No.35StandardSieveasdefinedinASTME11- 13 15 , StandardSpecificationforWovenWire TestSieve Clothand Test Sieves forTestingPurposes ),andpresentafireorexplosionhazardwhendispersedandignitedinair.

InformationalNote: SeeASTME122612a, StandardTestMethodforExplosibilityofDustClouds ,orISO6184-1, ExplosionprotectionsystemsPart1:Determinationofexplosionindicesofcombustibledustsinair ,forproceduresfordeterminingtheexplosibilityofdusts.


SubmitterFullName:DerekVigstolOrganization: [NotSpecified]StreetAddress:City:State:Zip:SubmittalDate: MonNov0919:13:05EST2015

CommitteeStatement

CommitteeStatement:

ThecurrentversionandtitleisASTME1115,StandardSpecificationforWovenWireTestSieveClothandTestSieves.

ResponseMessage:

PublicCommentNo.204-NFPA70-2015[Definition:CombustibleDust[asappliedtoHazardous(Clas...]

PublicCommentNo.805-NFPA70-2015[Definition:CombustibleDust[asappliedtoHazardous(Clas...]



SecondRevisionNo.4506-NFPA70-2015[Definition:Communications

Equipment.]

100, CommunicationsEquipment.Theelectronicequipmentthatperformsthetelecommunicationsoperationsforthetransmissionofaudio,video,anddata,andincludespowerequipment(e.g.,dcconverters,inverters,andbatteries),technicalsupportequipment(e.g.,computers),andconductorsdedicatedsolelytotheoperationoftheequipment.

InformationalNote: Thisdefinitionclearlyindicatesthatthedcpowerequipmentaswellascomputersareconsideredtobepartofthecommunicationsequipment. Asthetelecommunicationsnetworktransitionstoamoredatacentricnetwork,communicationsequipmentwillalsoincluderoutersandservers computers,routers,servers,andtheirpoweringequipment,arebecoming essentialtothetransmissionofaudio,video,anddataandarefindingincreasingapplicationincommunicationsequipmentinstallations .



CommitteeStatement

CommitteeStatement:

TheinformationalnotehasbeenrevisedtoremovethephrasesThisdefinitionclearlyindicates,areconsideredtobeandwillalsoincludeincompliancewiththeNECStyleManual,Section3.1.3.

ResponseMessage:

PublicCommentNo.1743-NFPA70-2015[Definition:CommunicationsEquipment.]



SecondRevisionNo.4505-NFPA70-2015[Definition:Communications

Raceway.]

100, CommunicationsRaceway.Anenclosedchannelofnonmetallicmaterialsdesignedexpresslyforholdingcommunicationswiresandcables,opticalfibercables,datacablesassociatedwithinformationtechnologyandcommunicationsequipment,Class2,Class3andTypePLTCcables,andpower-limitedfirealarmcablesinplenums plenum ,risers riser ,andgeneral-purposeapplications.



CommitteeStatement

CommitteeStatement:

Thisrevisionclarifiesthatthetextplenumandrisermodifythetextapplications.

ResponseMessage:

PublicCommentNo.297-NFPA70-2015[Definition:CommunicationsRaceway.]



SecondRevisionNo.3913-NFPA70-2015[Definition:CordConnector

[asappliedtoHazardous(Classi...]

100,

CordConnector[asappliedtoHazardous(Classified)Locations].Afittingintendedtoterminateacordorcable toaboxorsimilardeviceandreducethestrainatpointsofterminationandmayincludeanexplosionproof,adust-ignitionproof,oraflameproofseal.


SubmitterFullName:DerekVigstolOrganization: [NotSpecified]StreetAddress:City:State:Zip:SubmittalDate: MonNov0920:01:39EST2015

CommitteeStatement

CommitteeStatement:

ThedefinitionisconsistentwiththeuseofthetermcordconnectorinChapter5.

ResponseMessage:

PublicCommentNo.701-NFPA70-2015[Definition:CordConnector[asappliedtoHazardous(Classi...]



SecondRevisionNo.7-NFPA70-2015[Definition:Equipment.]

100,1

Equipment.

Ageneralterm,includingfittings,devices,appliances,luminaires,apparatus,machinery,andthelikeusedasapartof,orinconnectionwith,anelectricalinstallation.

InformationalNote: Inadditiontotheitemslistedinthedefinition,equipmentalsodescribesairconditioningunits,poweroutlets(suchasrecreationalvehiclesitesupplyequipmentormarinepoweroutlets),transformers,andotherenclosuresthatcontainelectricalproducts.



CommitteeStatement

CommitteeStatement:

CMP-1acceptstherecommendationinPublicComment1520therebyremovingtheinformationalnotethatresultedfromFR10.

ResponseMessage:

PublicCommentNo.1520-NFPA70-2015[Definition:Equipment.]



SecondRevisionNo.918-NFPA70-2015[Definition:FieldLabeled(as

appliedtoevaluatedproducts...]

100, FieldLabeled(asappliedtoevaluatedproducts).Equipmentormaterialstowhichhasbeenattachedalabel,symbol,orotheridentifyingmarkofanFEBindicatingtheequipmentormaterialswereevaluatedandfoundtocomplywithrequirementsasdescribedinanaccompanyingfieldevaluationreport. [ NFPA 790,2012]


SubmitterFullName: BarryChaseOrganization: [NotSpecified]StreetAddress:City:State:Zip:SubmittalDate: MonNov0217:22:26EST2015

CommitteeStatement

CommitteeStatement: Thedefinitionisnolongerextracted.ResponseMessage:

PublicCommentNo.917-NFPA70-2015[Definition:FieldLabeled(asappliedtoevaluatedproducts...]



SecondRevisionNo.314-NFPA70-2015[Definition:Ground-Fault

CircuitInterrupter,SpecialPurpo...]

Ground-FaultCircuitInterrupter,SpecialPurpose(SPGFCI).Adeviceintendedfortheprotectionofpersonnelthatfunctionstode-energizeacircuitorportionofacircuitwithinanestablishedperiodoftimewhenacurrenttogroundexceedsthevaluesestablishedforClassC,D,andEdevices.

InformationalNote: ClassesC,D,andEground-faultcircuitinterrupterstripwhenthecurrenttogroundis20mAorhigheranddonottripwhenthecurrenttogroundislessthan15mA.Forfurtherinformation,seeUL943C, OutlineofInvestigationforSpecialPurposeGround-FaultCircuitInterrupters .

100,



CommitteeStatement

CommitteeStatement:

RequirementsforthesedeviceshavenotbeenaddedtoArticles210and215,thusthedefinitionisunnecessary.

ResponseMessage:

PublicCommentNo.859-NFPA70-2015[Definition:Ground-FaultCircuitInterrupter,SpecialPurpo...]



SecondRevisionNo.5128-NFPA70-2015[Definition:Receptacle.]

100,

Receptacle.

Acontactdeviceinstalledattheoutletfortheconnectionofanattachmentplug,orforthedirectconnectionoflistedandlabeledelectricalutilizationequipmentdesignedtomatewiththecorrespondingcontactdevice .Asinglereceptacleisasinglecontactdevicewithnoothercontactdeviceonthesameyoke.Amultiplereceptacleistwoormorecontactdevicesonthesameyoke.


SubmitterFullName:DanielGorhamOrganization: [NotSpecified]StreetAddress:City:State:Zip:SubmittalDate: FriNov0614:55:12EST2015

CommitteeStatement

CommitteeStatement:

ThedefinitionofReceptaclewasmodifiedtoaccommodateelectricalutilizationequipmentemployingameans,otherthanatraditionalattachmentplugcap,toconnectdirectlytothecorrespondingcontactdevice.Thischangewasmadetocorrelatewith314.27(E)andtorecognizetheexistenceofequipmentsuchasdirectplug-intransformers,andotherdevicesthatdonotemployatraditionalattachmentplugcap.

ResponseMessage:

PublicCommentNo.660-NFPA70-2015[Definition:Receptacle.]



SecondRevisionNo.302-NFPA70-2015[Definition:ShowWindow.]

100 ShowWindow.Anywindow,includingwindowsabovedoors, usedordesignedtobeusedforthedisplayofgoodsoradvertisingmaterial,whetheritisfullyorpartlyenclosedorentirelyopenattherearandwhetherornotithasaplatformraisedhigherthanthestreetfloorlevel.



CommitteeStatement

CommitteeStatement:

Thewindowabovedoorshasbeenaddedtothedefinitionforshowwindowssincetheymayrequirepowersimilartoashowwindowundercertainuseconditions.

ResponseMessage:

PublicCommentNo.414-NFPA70-2015[Definition:ShowWindow.]



SecondRevisionNo.2413-NFPA70-2015[Definition:Substation.]

Article100PartII,

Substation.

Anassemblageofequipmentcontaining (e.g., switches,interruptingdevices,protectionrelays circuitbreakers ,buses,transformers,switchgear,motorcontrolcenters,etc andtransformers) throughwhichelectricenergyispassedforthepurposeofdistribution,switching, ormodifyingcharacteristics.Asubstationisgenerallyofsuchsizeorcomplexitythatitincorporatesoneormorebusesandamultiplicityofelectricalequipmentisusuallythereceivingpointformorethanonesupplycircuittotransformpowerfromonevoltagetoanotherorfromonesystemtoanother. itscharacteristics.


SubmitterFullName:NancyPearceOrganization: [NotSpecified]StreetAddress:City:State:Zip:SubmittalDate: TueNov1012:33:12EST2015

CommitteeStatement

CommitteeStatement:

ThiswordingisreflectiveofCMP9actionattheFirstDraftMeetingandclarifiesourintentforthedefinition.ThischangeaddressestheconcernnotedbytheCorrelatingCommitteeinPC#1745

ResponseMessage:

PublicCommentNo.1745-NFPA70-2015[Definition:Substation.]

PublicCommentNo.428-NFPA70-2015[Definition:Substation.]



SecondRevisionNo.24-NFPA70-2015[Definition:Voltage,Nominal.]

100,1

Voltage,Nominal.Anominalvalueassignedtoacircuitorsystemforthepurposeofconvenientlydesignatingitsvoltageclass(e.g.,120/240volts,480Y/277volts,600volts).

InformationalNoteNo.1:Theactualvoltageatwhichacircuitoperatescanvaryfromthenominalwithinarangethatpermitssatisfactoryoperationofequipment.

InformationalNoteNo.2:SeeANSIC84.1-2011,VoltageRatingsforElectricPowerSystemsandEquipment(60Hz).

InformationalNoteNo.3:Certainbatteryunitsmaybeconsideredtoberatedatnominal48voltsDC,butmayhaveachargingfloatvoltageupto58volts.InDCapplications60voltsisusedtocovertheentirerangeoffloatvoltages.


SubmitterFullName:NancyPearceOrganization: [NotSpecified]StreetAddress:City:State:Zip:SubmittalDate: FriNov1320:40:44EST2015

CommitteeStatement

CommitteeStatement:

CMP1addressedthecontentforPC1063thatwasapplicabletoArticle100and110andunderstandsthereismorecontenttoPC1063thatwillbeaddressedbyotherpanels.Theinformationalnotehasbeenaddedtoimproveclarity.NochangewasmadetoSection110.27(A)sincethefirstdraftlanguagemadethechangeto50to1000volts,nominal.CMP1requeststhattheCorrelatingCommitteecorrelatethisaction.

ResponseMessage:



SecondRevisionNo.2-NFPA70-2015[SectionNo.110.3]

110.3Examination,Identification,Installation,andUse Use,andListing(ProductCertification) ofEquipment.

(A)Examination.Injudgingequipment,considerationssuchasthefollowingshallbeevaluated:

(1) SuitabilityforinstallationanduseinconformitywiththeprovisionsofthisCode

InformationalNoteNo.1: Equipmentmaybenew,reconditioned,refurbished,orremanufactured.

InformationalNoteNo.2: Suitabilityofequipmentusemaybeidentifiedbyadescriptionmarkedonorprovidedwithaproducttoidentifythesuitabilityoftheproductforaspecificpurpose,environment,orapplication.Specialconditionsofuseorotherlimitationsandotherpertinentinformationmaybemarkedontheequipment,includedintheproductinstructions,orincludedintheappropriatelistingandlabelinginformation.Suitabilityofequipmentmaybeevidencedbylistingorlabeling.

(2) Mechanicalstrengthanddurability,including,forpartsdesignedtoencloseandprotectotherequipment,theadequacyoftheprotectionthusprovided

(3) Wire-bendingandconnectionspace

(4) Electricalinsulation

(5) Heatingeffectsundernormalconditionsofuseandalsounderabnormalconditionslikelytoariseinservice

(6) Arcingeffects

(7) Classificationbytype,size,voltage,currentcapacity,andspecificuse

(8) Otherfactorsthatcontributetothepracticalsafeguardingofpersonsusingorlikelytocomeincontactwiththeequipment

(B)InstallationandUse.Listedorlabeledequipmentshallbeinstalledandusedinaccordancewithanyinstructionsincludedinthelistingorlabeling.

(C)Listing.Producttesting,evaluation,listing(productcertification)shallbeperformedbyrecognizedqualifiedelectricaltestinglaboratoriesandshallbeinaccordancewithapplicableproductstandardsrecognizedasachievingequivalentandeffectivesafetyforequipmentinstalledtocomplywiththisCode.InformationalNote:TheOccupationalSafetyandHealthAdministrationrecognizesqualifiedelectricaltestinglaboratoriesthatperformevaluations,testing,andcertificationofcertainproductstoensurethattheymeettherequirementsofboththeconstructionandgeneralindustryOSHAelectricalstandards.Ifthelisting(productcertification)isdoneunderaqualifiedelectricaltestinglaboratoryprogram,thislistingmarksignifiesthatthetestedandcertifiedtheproductcomplieswiththerequirementsofoneormoreappropriateproductsafetyteststandards.





CommitteeStatement

CommitteeStatement:

Inexercisingtheirapprovingauthorityin90.4,theAHJdependsonlistingandproductcertificationasthemostcommonbasisforapprovalsofinstallationsinaccordancewiththeNationalElectricalCode.Theadditionallistitem(C)Listingprovidesclarificationaboutrequirementsforlisting(productcertification)beingaccomplishedbyqualifiedelectricaltestinglaboratoriesandthattheproducttestingandcertificationprocessisinaccordancewithappropriateproductstandards.ThenewinformationalnoteprovidesuserswithinformationaboutalistofnationallyrecognizedtestinglaboratoriesthatmeetorexceedOSHAcriteria.Productlisting(certification)isthemostcommonbasisforAHJapprovalsandtheproductlistingmustmeetorexceedtheminimumproductsafetyrequirementsdevelopedbyrecognizedstandardsdevelopmentorganizations.

WithregardtoPC814,Panel1didnotagreethatInformationalNote1shouldbedeleted.ThecommitteereaffirmstheneedforthenewInformationalNoteNo.1following110.3(A)toclarifythatthegeneraltermequipmentcanapplytonewequipmentandalsoused,refurbished,orreconditioned,remanufacturedequipment.

WithregardtoPC949,theintentofthesubmitterismetwiththeacceptanceofSR2.

ResponseMessage:



PublicCommentNo.949-NFPA70-2015[NewSectionafter110.3(B)]



SecondRevisionNo.3-NFPA70-2015[SectionNo.110.12[Excluding

anySub-Sections]]

Electricalequipmentshallbeinstalledinaneatandworkmanlikemanner.

InformationalNote:AcceptedindustrypracticesaredescribedinANSI/NECA1-2010 2015 ,StandardforGoodWorkmanshipinElectricalConstruction,andotherANSI-approvedinstallationstandards.



CommitteeStatement

CommitteeStatement: The2015editionhasbeenreaffirmedbyANSI.ResponseMessage:

PublicCommentNo.495-NFPA70-2015[SectionNo.110.12[ExcludinganySub-Sections]]



SecondRevisionNo.11-NFPA70-2015[SectionNo.110.16(B)]

(B)ServiceEquipment.Inadditiontotherequirementsin(A),apermanentlabelshallbefieldorfactoryappliedtoserviceequipmentrated1200ampsormore.Thelabel shallmeettherequirementsof110.21(B)and containthefollowinginformation:

(1) Nominalsystemvoltage

(2) Arcflashboundary

(3) Atleastoneofthefollowing:

(4) Availableincidentenergyandthecorrespondingworkingdistance

(5) Minimumarcratingofclothing

(6) Site-specificlevelofPPE

(7)Availablefaultcurrentattheserviceovercurrentprotectivedevice s(3) Theclearingtimeofserviceovercurrentprotectivedevice sbasedontheavailablefaultcurrentattheserviceequipment(4) Thedatethelabelwasapplied

Exceptionto(B)(1)(2)(3)(4):Serviceequipmentlabelingshallnotberequiredifanarcflashlabelisappliedinaccordancewithacceptableindustrypractice.

InformationalNoteNo.1:NFPA70E-2012 2015 ,StandardforElectricalSafetyintheWorkplace,providesguidance,suchasdeterminingseverityofpotentialexposure,planningsafeworkpractices,arcflashlabeling,andselectingpersonalprotectiveequipment.

InformationalNoteNo.2:ANSIZ535.4-1998 2011 ,ProductSafetySignsandLabels,providesguidelinesforthedesignofsafetysignsandlabelsforapplicationtoproducts.

InformationalNoteNo.3:AcceptableindustrypracticesforequipmentlabelingaredescribedinNFPA70E-2015StandardforElectricalSafetyintheWorkplace.Thisstandardprovidesspecificcriteriafordevelopingarc-flashlabelsforequipmentthatprovidesnominalsystemvoltage,incidentenergylevels,arc-flashboundaries,andminimumrequiredlevelsofpersonalprotectiveequipmentandsoforth.


FileName DescriptionSR-11_110.16_B_Panel_1.docx Forstaffuse


SubmitterFullName:NancyPearce



Organization: [NotSpecified]StreetAddress:City:State:Zip:SubmittalDate: FriNov1316:45:05EST2015

CommitteeStatement

CommitteeStatement:

ThisSecondRevisionmakesinstallation-relatedrevisionsandclarificationstoFR55assuggestedinFirstRevisionPublicInput,FirstRevisionsandballotcomments.

Theadditionofavailablefaultcurrentandclearingtimehasbeenadded.This,likeallrevisionsinthisSR,doesnotrepresentnewmaterial.FR55containedarequirementtolabelincident-energywhichisbaseduponcurrentandtime.

Changingfromincidentenergytoavailablefaultcurrentandclearingtimesimplifiestheinstallationfortheinstaller.Inordertogetanincidentenergyvalueboththeavailablefaultcurrentandclearingtimearedeterminedandthenacalculationisperformed.Itissimplytherequirementtocalculateincidentenergywithknownvaluesofcurrentandtimethatisremoved,therebyremovingfromtheinstallertherequirementtocalculate.

Thelabelispermittedtobeeitherfieldorfactoryapplied.

Clarifyinglanguagehasalsobeenaddedtorecognizethat(B)onlyappliestootherthandwellingunits.

Languagewasaddedforthelabeltocontainthedatethelabelwasapplied.

Anequipmentratingwasestablishedtolimittheinstallationsinwhichthisrequirementwouldapply.FR55wouldhaveappliedatanyequipmentrating,includingthosebelow1,200amperes.Theadditionofthe1200-ampthresholdisnotnewmaterialasitdoesnotincreasetheapplicationofthisrequirement,itsignificantlyreducesthenumberofinstallationsinwhichitwouldapply.

InformationalNoteNo.3wasaddedtoprovideguidanceonacceptableindustrypracticesfordevelopingarc-flashlabels,incidentenergylevels,arc-flashboundaries,andminimumrequiredlevelsofpersonalprotectiveequipmentandsoforth.

Dateswereeditedtoreflectcurrenteditions.ResponseMessage:








110.21Marking.(A)EquipmentMarkings.(1)Themanufacturersname,trademark,orotherdescriptivemarkingbywhichtheorganizationresponsiblefortheproductcanbeidentifiedshallbeplacedonallelectricalequipment.Othermarkingsthatindicatevoltage,current,wattage,orotherratingsshallbeprovidedasspecifiedelsewhereinthisCode.Themarkingorlabelshallbeofsufficientdurabilitytowithstandtheenvironmentinvolved.

(2)Reconditionedequipmentshallbemarkedwiththename,trademark,orotherdescriptivemarkingbywhichtheorganizationresponsibleforreconditioningtheelectricalequipmentcanbeidentified,alongwiththedateofthereconditioning.

Reconditionedequipmentshallbeidentifiedasreconditionedandapprovalofthereconditionedequipmentshallnotbebasedsolelyontheequipmentsoriginallisting.

Exception:Inindustrialoccupancies,whereconditionsofmaintenanceandsupervisionensurethatonlyqualifiedpersonsservicetheequipment,themarkingsindicatedin110.21(A)(2)arenotrequired.

InformationalNote:Industrystandardsareavailableforapplicationofreconditionedandrefurbishedequipment.Normalservicingofequipmentthatremainswithinafacilityshouldnotbeconsideredreconditioningorrefurbishing.

(B)Field-AppliedHazardMarkings.Wherecaution,warning,ordangersignsorlabelsarerequiredbythisCode,thelabelsshallmeetthefollowingrequirements:

(1) Themarkingshallwarnofthehazardsusingeffectivewords,colors,symbols,oranycombinationthereof.

InformationalNote: ANSIZ535.4-2011, ProductSafetySignsandLabels ,providesguidelinesforsuitablefontsizes,words,colors,symbols,andlocationrequirementsforlabels.

(2) Thelabelshallbepermanentlyaffixedtotheequipmentorwiringmethodandshallnotbehandwritten.

Exceptionto(2): Portionsoflabelsormarkingsthatarevariable,orthatcouldbesubjecttochanges,shallbepermittedtobehandwrittenandshallbelegible.

(3) Thelabelshallbeofsufficientdurabilitytowithstandtheenvironmentinvolved.

InformationalNote:ANSIZ535.4-2011,ProductSafetySignsandLabels,providesguidelinesforthedesignanddurabilityofsafetysignsandlabelsforapplicationtoelectricalequipment.





CommitteeStatement

CommitteeStatement:

SR9incorporatessuggestionsfromPCs582,707and1550.

Thisprovidesadditionalguidanceforreconditionedequipment.Whenalistedproductisreconditioned(suchasbeingrebuilt,refurbishedorremanufactured)afteritleavesafactorywherethelistingmarkwasapplied,theorganizationresponsibleforthetestingandinspection(asdetailedinNECSection90.7)doesnotknowiftheproductcontinuestomeettheapplicablecertificationrequirementsunlessthereconditioninghasbeenspecificallyevaluatedbyanorganizationproperlyequippedandqualifiedformakingsuchdeterminations.Therefore,theAHJshouldnotrelysolelyontheequipmentsoriginallistingmarkasthebasisofapprovalofthereconditionedequipment.

Industrialfacilitiesmayregularlymaintainandrefurbishequipmentaspartofaregularmaintenancecycleforsafetyandreliability.Providingcompanynameandtrademarklabelsonequipmentthatisregularlymaintainedand/orrefurbishedbytheowner/operatoraspartofaregularequipmentmaintenanceprogramdoesnotenhancethetraceabilityoftheworkorimprovethesafetyoftheinstallation.

Thelanguageisaddedintheinformationalnotetomakeitclearthatnormalserviceworksuchasreplacingafuse,circuitbreakerorotherroutineworkisgenerallynotconsideredrefurbishingorreconditioningofequipment.

ResponseMessage:

PublicCommentNo.582-NFPA70-2015[SectionNo.110.21(A)(2)]






110.24AvailableFaultCurrent.(A)FieldMarking.Serviceequipmentatotherthandwellingunitsshallbelegiblymarkedinthefieldwiththemaximumavailablefaultcurrent.Thefieldmarking(s)shallincludethedatethefault-currentcalculationwasperformedandbeofsufficientdurabilitytowithstandtheenvironmentinvolved.Thecalculationshallbedocumentedandmadeavailabletothoseauthorizedtodesign,install,inspect,maintain,and or operatethesystem.

InformationalNote:Theavailablefault-currentmarking(s)addressedin110.24isrelatedtorequiredshort-circuitcurrentratingsofequipment.NFPA70E-2012 2015 ,StandardforElectricalSafetyintheWorkplace,providesassistanceindeterminingtheseverityofpotentialexposure,planningsafeworkpractices,andselectingpersonalprotectiveequipment.

(B)Modifications.Whenmodificationstotheelectricalinstallationoccurthataffectthemaximumavailablefaultcurrentattheservice,themaximumavailablefaultcurrentshallbeverifiedorrecalculatedasnecessarytoensuretheserviceequipmentratingsaresufficientforthemaximumavailablefaultcurrentatthelineterminalsoftheequipment.Therequiredfieldmarking(s)in110.24(A)shallbeadjustedtoreflectthenewlevelofmaximumavailablefaultcurrent.

Exception:Thefieldmarkingrequirementsin110.24(A)and110.24(B)shallnotberequiredinindustrialinstallationswhereconditionsofmaintenanceandsupervisionensurethatonlyqualifiedpersonsservicetheequipment.



CommitteeStatement

CommitteeStatement:

CMP-1changedtheword"and"to"or"toindicatethatthecalculationshouldbeavailabletostaffthatdoanyoftheidentifiedactions.Thedatefor70Ewaschangedtoreflectthecurrentedition.

ResponseMessage:

PublicCommentNo.496-NFPA70-2015[SectionNo.110.24(A)]






SecondRevisionNo.12-NFPA70-2015[SectionNo.110.26(A)(4)]

(4)LimitedAccess.Whereequipmentoperatingat1000volts,nominal,orlesstogroundandlikelytorequireexamination,adjustment,servicing,ormaintenancewhileenergizedisrequiredbyinstallationinstructionsorfunctiontobe locatedinaspacewithlimitedaccess,allofthefollowingshallapply:

(a) Whereequipmentisinstalledabovealay-inceiling,thereshallbeanopeningnotsmallerthan559mm559mm(22in.22in.),orinacrawlspace,thereshallbeanaccessibleopeningnotsmallerthan559mm762mm(22in.30in.).

(b) Thewidthoftheworkingspaceshallbethewidthoftheequipmentenclosureoraminimumof762mm(30in.),whicheverisgreater.

(c) Allenclosuredoorsorhingedpanelsshallbecapableofopeningaminimumof90degrees.

(d) ThespaceinfrontoftheenclosureshallcomplywiththedepthrequirementsofTable110.26(A)(1).Themaximumheightoftheworkingspaceshallbetheheightnecessarytoinstalltheequipmentinthelimitedspace.Ahorizontalceilingstructuralmemberoraccesspanelshallbepermittedinthisspace.



CommitteeStatement

CommitteeStatement:

ThelanguageinthefirstrevisiondoesnotindicatewhysuchequipmentwouldbeinaspacewithlimitedaccessthatdoesnotcomplywithotherCoderequirementsforadequateworkingspace.Theaddedwordingisintendedtoclarifythattheequipmentisrequiredtobeinstalledinanareawithlimitedaccessinordertoservethefunctionforwhichitisintendedortocomplywithmanufacturer'sinstallationinstructions.

ResponseMessage:





(B) ClearSpaces.

Workingspacerequiredbythissectionshallnotbeusedforstorage.Whennormallyenclosedlivepartsareexposedforinspectionorservicing,theworkingspace,ifinapassagewayorgeneralopenspace,shallbesuitablyguarded. Permanentandconspicuoussignsshallbeprovided.Thesignshallmeettherequirementsin 110.21(B)andshallreadasfollows:

NOTICE

ELECTRICALEQUIPMENTWORKINGSPACEANDEGRESSAREANOOBSTRUCTIONORSTORAGEALLOWED



CommitteeStatement

CommitteeStatement:

TherequirementintheFirstDraftforsignagetobeinstalledinlocationsthatarededicatedtoclearspaceworkingareashasnotbeenshowntobeaneffectivemeansofensuringcompliancewiththeSection.Thecodedoesnotprohibittheinstallationofsignageatthebuildingownersoption.ItisessentialthattherequirementforclearspaceremainintheCode.

ResponseMessage:





SecondRevisionNo.14-NFPA70-2015[SectionNo.110.26(E)(2)]

(2)Outdoor.Outdoorinstallationsshallcomplywith110.26(E)(2)(a)through(c).

(a) InstallationRequirements.Outdoorelectricalequipmentshallbethefollowing:

(2) Installedin

suitable

(1) identified enclosures

(2) Protectedfromaccidentalcontactbyunauthorizedpersonnel,orbyvehiculartraffic

(3) Protectedfromaccidentalspillageorleakagefrompipingsystems

(c) WorkSpace.Theworkingclearancespaceshallincludethezonedescribedin110.26(A).Noarchitecturalappurtenanceorotherequipmentshallbelocatedinthiszone.

Exceptionto(b):Structuraloverhangsorroofextensionsshallbepermittedinthiszone.

(d) DedicatedEquipmentSpace.Thespaceequaltothewidthanddepthoftheequipment,andextendingfromgradetoaheightof1.8m(6ft)abovetheequipment,shallbededicatedtotheelectricalinstallation.Nopipingorotherequipmentforeigntotheelectricalinstallationshallbelocatedinthiszone.



CommitteeStatement

CommitteeStatement:

ThevagueandpossiblyunenforceabletermsuitableisreplacedwiththedefinedandenforceabletermidentifiedtocomplywiththeNECStyleManualandtoaddconsistencythroughoutthecode.Outdooruseenclosuresaretestedforexclusionofrain,andareinherentlyprotectedagainstaccidentalspillageorleakagefrompipingsystems.ExclusionofarchitecturalappurtenancesiscoveredintheException.

Response



Message:

PublicCommentNo.1469-NFPA70-2015[SectionNo.110.26(E)(2)]

PublicCommentNo.1749-NFPA70-2015[SectionNo.110.26(E)(2)]

SecondRevisionNo.15-NFPA70-2015[SectionNo.110.26(F)]

(F) LockedElectricalEquipmentRoomsorEnclosures.

(1)

Electricalequipmentroomsorenclosureshousingelectricalapparatusthatarecontrolledbyalock(s)shallbeconsideredaccessibletoqualifiedpersons.

(2)

Theentrancetoallbuildings,vaults,rooms,orenclosurescontainingexposedlivepartsorexposedconductorsoperatingat601to1000volts,nominal,shallbekeptlockedunlesssuchentrancesareundertheobservationofaqualifiedpersonatalltimes.Permanentandconspicuousdangersignsshallbeprovided.Thedangersignshallmeettherequirementsin 110.21(B) andshallreadasfollows:

DANGERHIGHVOLTAGEKEEPOUT



CommitteeStatement

CommitteeStatement:

Thefirstrevisionaddedunnecessaryrequirementsforsystemsoperatingunder1000volts,nominal.Creatingsimilarrequirementsto110.34(C)foranintermediatevoltagelevelof601-1000Vmaycreateconfusion.

ResponseMessage:

PublicCommentNo.812-NFPA70-2015[SectionNo.110.26(F)]

PublicCommentNo.1575-NFPA70-2015[SectionNo.110.26(F)]



SecondRevisionNo.16-NFPA70-2015[SectionNo.110.27(A)]

(A)LivePartsGuardedAgainstAccidentalContact.ExceptaselsewhererequiredorpermittedbythisCode,livepartsofelectricalequipmentoperatingat50to1000volts,nominalshallbeguardedagainstaccidentalcontactbyapprovedenclosuresorbyanyofthefollowingmeans:

(1) Bylocationinaroom,vault,orsimilarenclosurethatisaccessibleonlytoqualifiedpersons.

(2) Bypermanent,substantialpartitionsorscreensarrangedsothatonlyqualifiedpersonshaveaccesstothespacewithinreachoftheliveparts.Anyopeningsinsuchpartitionsorscreensshallbesizedandlocatedsothatpersonsarenotlikelytocomeintoaccidentalcontactwiththelivepartsortobringconductingobjectsintocontactwiththem.

(3)

(4) Byinsulatingcoversoverexposedconductiveparts,removableonlybyqualifiedpersonshavingaccesstothespace,suchthatitispossibletoexposeonlyonephaseorpolarityatatime.

(5) By locationonabalcony,gallery,orplatformelevatedandarrangedsoastoexcludeunqualifiedpersons.

(6) Byelevationabovethefloororotherworkingsurfaceasfollows:

(7) Aminimumof2.5m(8ft)for50to300voltsbetweenungroundedconductors

(8) Aminimumof2.6m(8ft6in)for301to600voltsbetweenungroundedconductors

(9) Aminimumof2.62m(8ft7in.)for601to1000voltsbetweenungroundedconductors



CommitteeStatement

Committee Therequirementinlistitem(3)isadequatelycoveredbytheotherpartsofthis



Statement: section.Protectionofspecificequipmentisidentifiedbyothersectionsofthecodeandtheapplicableproductstandards.SR16removestheitem3thatwasaddedinFR48.

ResponseMessage:




110.28EnclosureTypes.

Enclosures(otherthansurroundingfencesorwallscoveredin110.31)ofswitchboards,



Enclosures(otherthansurroundingfencesorwallscoveredin110.31)ofswitchboards,switchgear,panelboards,industrialcontrolpanels,motorcontrolcenters,metersockets,enclosedswitches,transferswitches,poweroutlets,circuitbreakers,adjustable-speeddrivesystems,pulloutswitches,portablepowerdistributionequipment,terminationboxes,general-purposetransformers,firepumpcontrollers,firepumpmotors,andmotorcontrollers,ratednotover1000voltsnominalandintendedforsuchlocations,shallbemarkedwithanenclosure-typenumberasshowninTable110.28.

Table110.28shallbeusedforselectingtheseenclosuresforuseinspecificlocationsotherthanhazardous(classified)locations.Theenclosuresarenotintendedtoprotectagainstconditionssuchascondensation,icing,corrosion,orcontaminationthatmayoccurwithintheenclosureorenterviatheconduitorunsealedopenings.

Table110.28EnclosureSelection

ProvidesaDegreeofProtectionAgainsttheFollowingEnvironmentalConditions

ForOutdoorUseEnclosureTypeNumber

3 3R 3S 3X 3RX 3SX 4 4X 6 6PIncidentalcontactwiththeenclosedequipment X X X X X X X X X XRain,snow,andsleet X X X X X X X X X XSleet* X X Windblowndust X X X X X X X XHosedown X X X XCorrosiveagents X X X X XTemporarysubmersion X XProlongedsubmersion X

ProvidesaDegreeofProtectionAgainsttheFollowingEnvironmentalConditions

ForIndoorUseEnclosureTypeNumber

1 2 4 4X 5 6 6P 12 12K 13Incidentalcontactwiththeenclosedequipment X X X X X X X X X XFallingdirt X X X X X X X X X XFallingliquidsandlightsplashing X X X X X X X X XCirculatingdust,lint,fibers,andflyings X X X X X X XSettlingairbornedust,lint,fibers,andflyings X X X X X X X XHosedownandsplashingwater X X X X Oilandcoolantseepage X X XOilorcoolantsprayingandsplashing XCorrosiveagents X X Temporarysubmersion X X Prolongedsubmersion X

*Mechanismshallbeoperablewhenicecovered.

InformationalNoteNo.1:ThetermraintightistypicallyusedinconjunctionwithEnclosureTypes3,3S,3SX,3X,4,4X,6,and6P.ThetermrainproofistypicallyusedinconjunctionwithEnclosureTypes3Rand3RX.ThetermwatertightistypicallyusedinconjunctionwithEnclosureTypes4,4X,6,and6P.ThetermdriptightistypicallyusedinconjunctionwithEnclosureTypes2,5,12,12K,and13.ThetermdusttightistypicallyusedinconjunctionwithEnclosureTypes3,3S,3SX,3X,5,12,12K,and13.

InformationalNoteNo.2:Ingressprotection(IP)ratingsmaybefoundinANSI/NEMA IEC60529,DegreesofProtectionProvidedbyEnclosures.IPratingsarenotasubstituteforEnclosureTyperatings.





CommitteeStatement

CommitteeStatement:

ThecorrectstandarddesignationisANSI/IEC60529andthistexthasbeenchangedaccordingly.

ResponseMessage:





anySub-Sections]]

Electricalinstallationsinavault,room,orclosetorinanareasurroundedbyawall,screen,orfence,accesstowhichiscontrolledbyalock(s)orotherapprovedmeans,shallbeconsideredtobeaccessibletoqualifiedpersonsonly.Thetypeofenclosureusedinagivencaseshallbedesignedandconstructedaccordingtothenatureanddegreeofthehazard(s)associatedwiththeinstallation.

Forinstallationsotherthanequipmentasdescribedin110.31(D),awall,screen,orfenceshallbeusedtoencloseanoutdoorelectricalinstallationtodeteraccessbypersonswhoarenotqualified.Afenceshallnotbelessthan2.1m(7ft)inheightoracombinationof1.8m(6ft)ormoreoffencefabricanda300mm(1ft)ormoreextensionutilizingthreeormorestrandsofbarbedwireorequivalent.ThedistancefromthefencetolivepartsshallbenotlessthangiveninTable110.31.

Table110.31MinimumDistancefromFencetoLiveParts

MinimumDistancetoLivePartsNominalVoltage m ft100113,799 3.05 10

13,800230,000 4.57 15Over230,000 5.49 18

Note:ForclearancesofconductorsforspecificsystemvoltagesandtypicalBILratings,seeANSI/IEEE C2-2007 2012 ,NationalElectricalSafetyCode.

InformationalNote:SeeArticle450forconstructionrequirementsfortransformervaults.



CommitteeStatement

CommitteeStatement:

Thefootnoteinthetablewasupdatedtoreflectthecurrenteditionanddesignation.ThisisinresponsetoPC39thatalsohadcontentthatwasaddressedinSR18.

ResponseMessage:



SecondRevisionNo.18-NFPA70-2015[SectionNo.110.31(A)(5)]

(5)Transformers.WhereatransformerisinstalledinavaultasrequiredbyArticle450,thevaultshallbeconstructedinaccordancewiththerequirementsofPartIIIofArticle450.

InformationalNoteNo.1:Foradditionalinformation,seeANSI/ASTME119-2011a 2015 ,MethodforFireTestsofBuildingConstructionandMaterials,andNFPA80-2013 2016 ,StandardforFireDoorsandOtherOpeningProtectives.

InformationalNoteNo.2:Atypical3-hourconstructionis150mm(6in.)thickreinforcedconcrete.



CommitteeStatement

CommitteeStatement:

ThereferencestoANSI/ASTME119standardandNFPA80-2016intheInformationalNotewereupdated.SeeSR19forchangemadetofootnotetotablein110.31submittedinPC39.

ResponseMessage:





SecondRevisionNo.20-NFPA70-2015[SectionNo.110.31(D)]

(D)EnclosedEquipmentAccessibletoUnqualifiedPersons.Ventilatingorsimilaropeningsinequipmentshallbedesignedsuchthatforeignobjectsinsertedthroughtheseopeningsaredeflectedfromenergizedparts.Whereexposedtophysicaldamagefromvehiculartraffic,suitableguardsshallbeprovided.Equipmentlocatedoutdoorsandaccessibletounqualifiedpersonsshallbedesignedsuchthatexposednutsorboltscannotbereadilyremoved,permittingaccesstoliveparts.Whereequipmentisaccessibletounqualifiedpersonsandthebottomoftheenclosureislessthan2.5m(8ft)abovethefloororgradelevel,theenclosuredoororhingedcovershallbekeptlocked.Doorsandcoversofenclosuresusedsolelyaspullboxes,spliceboxes,orjunctionboxesshallbelocked,bolted,orscrewedon.Undergroundboxcoversthatweighover45.4kg(100lb)shallmeetthisrequirement.



CommitteeStatement

CommitteeStatement:

Inthelastsentenceof(D),theword"shall"isunnecessary.Thecoversmeettheintentofthepreviousrequirementbyvirtueoftheirweight,andcodeusersarebeinginformedthatthisistrue.If"shall"remainsinthelanguage,itcouldbeerroneouslyconstruedtomeanthatthecoversmustbelocked,boltedorscrewedoneveniftheydoweighover100pounds.

ResponseMessage:

PublicCommentNo.710-NFPA70-2015[SectionNo.110.31(D)]




(B)SeparationfromLow-VoltageEquipment.Whereswitches,cutouts,orotherequipmentoperatingat1000volts,nominal,orlessareinstalledinavault,room,orenclosurewherethereareexposedlivepartsorexposedwiringoperatingatover1000volts,nominal,thehigh-voltageequipmentshallbeeffectivelyseparatedfromthespaceoccupiedbythelow-voltageequipmentbyasuitablepartition,fence,orscreen.

Exception:Switchesorotherequipmentoperatingat600 1000 volts,nominal,orlessandservingonlyequipmentwithinthehigh-voltagevault,room,orenclosureshallbepermittedtobeinstalledinthehigh-voltagevault,room,orenclosurewithoutapartition,fence,orscreenifaccessibletoqualifiedpersonsonly.



CommitteeStatement

CommitteeStatement:

ThischangeeditoriallycorrelatestheexceptionwiththetextasintendedbyPI1523.

ResponseMessage:



SecondRevisionNo.21-NFPA70-2015[SectionNo.110.34(E)]

(E) ElevationofUnguardedLiveParts.

UnguardedlivepartsaboveworkingspaceshallbemaintainedatelevationsnotlessthanrequiredbyTable110.34(E).

Table110.34(E)ElevationofUnguardedLivePartsAboveWorkingSpace

NominalVoltage

BetweenPhases

Elevation

m ft10017500V 2.7 9750135,000V 2.9 9ft6in.

Over35kV

2.Add 9m9

.5mm/kV

above359ft6in.perkV

above35kV

Add 0.37in./

per kV

above35kV


FileName DescriptionSR-21_Table_110.34_E_Panel_1-NP.docx Forstaffuse



CommitteeStatement

CommitteeStatement:

TheseplussignsintheOver35kVrowwereinadvertentlyomittedintheFR.Thetablewasrevisedtoclarifytheelevationover35kV.

ResponseMessage:

PublicCommentNo.711-NFPA70-2015[SectionNo.110.34(E)]



PublicCommentNo.711-NFPA70-2015[SectionNo.110.34(E)]


110.73EquipmentWorkSpace.Whereelectricalequipmentwithlivepartsthatislikelytorequireexamination,adjustment,servicing,ormaintenancewhileenergizedisinstalledinamanhole,vault,orotherenclosuredesignedforpersonnelaccess,theworkspaceandassociatedrequirementsin110.26shallbemetforinstallationsoperatingat1000voltsorless.Wheretheinstallationisover1000volts,theworkspaceandassociatedrequirementsin110.34shallbemet.Amanholeaccesscoverthatweighsover45.4 kg(100lb)shallmeetmeets therequirementsof110.34(C).



CommitteeStatement

CommitteeStatement:

Asimpledeclarativesentencestructureispreferred.See3.3.1oftheNECStyleManual.Theword"shall"isunnecessary.Coversthatweighover45.4kg(100lb)meettheintentoftherequirementbyvirtueoftheirweight.

45kgischangedto45.4kgforconsistencywith110.31[D].

ResponseMessage:






210.3 OtherArticlesforSpecific-PurposeBranchCircuits.

Table210.3listsbranchcircuitrequirements references forspecificequipmentandapplicationsnotlocatedinChapters5,6and7 thatamendorsupplementtherequirementsofthisarticle.

Table210.3Specific-PurposeBranchCircuits

Equipment Article SectionAir-conditioningandrefrigeratingequipment 440.6,440.31,440.32Audiosignalprocessing,amplification,andreproductionequipment 640.8

Busways 368.17Circuitsandequipmentoperatingatlessthan50volts 720

Centralheatingequipmentotherthanfixedelectricspace-heatingequipment 422.12Class1,Class2,andClass3remote-control,signaling,andpower-limitedcircuits 725 Cranesandhoists 610.42 Electricsignsandoutlinelighting 600.6 Electricwelders 630 Electrifiedtruckparkingspace 626 Elevators,dumbwaiters,escalators,movingwalks,wheelchairlifts,andstairwaychairlifts 620.61 Firealarmsystems 760

Fixedelectricheatingequipmentforpipelinesandvessels 427.4Fixedelectricspace-heatingequipment 424.3Fixedoutdoorelectricaldeicingandsnow-meltingequipment 426.4Informationtechnologyequipment 645.5

Infraredlampindustrialheatingequipment 422.48,424.3Inductionanddielectricheatingequipment 665Marinasandboatyards 555.19Mobilehomes,manufacturedhomes,andmobilehomeparks 550 Motionpictureandtelevisionstudiosandsimilarlocations 530 Recreationalvehiclesandrecreationalvehicleparks 551

Motors,motorcircuits,andcontrollers 430Pipeorgans 650.7

Switchboardsandpanelboards 408.52Theaters,audienceareasofmotionpictureandtelevisionstudios,andsimilarlocations 520.41,520.52,520.62 X-rayequipment 660.2,517.73


FileName DescriptionSR_303_attachment_for_table_changes.docx attachmentforSR303.Forstaffuse.





CommitteeStatement

CommitteeStatement:

Section210.3isrevisedtoclarifytheapplicationofthetable.OtherthanforlistingspecificpurposerequirementsinChapters2,3&4,Table210.3isnotnecessarynorisitallinclusiveasitexists.Section90.3alreadyprovidestheguidancethatspecificequipmentandapplicationsinChapters5,6&7canamendorsupplementthebranchcircuitrequirementsinArticle210,sothesectionsreferencingbranchcircuitrequirementsinthosechapterscanbeenremoved.

ResponseMessage:




SecondRevisionNo.304-NFPA70-2015[SectionNo.210.5(C)(1)]

(1)BranchCircuitsSuppliedfromMoreThanOneNominalVoltageSystem.Wherethepremiseswiringsystemhasbranchcircuitssuppliedfrommorethanonenominalvoltagesystem,eachungroundedconductorofabranchcircuitshallbeidentifiedbyphaseorlineandsystematalltermination,connection,andsplicepointsincompliancewith210.5(C)(1)(a)and(b).

(a) MeansofIdentification.Themeansofidentificationshallbepermittedtobebyseparatecolorcoding,markingtape,tagging,orotherapprovedmeans.

(b) PostingofIdentificationMeans.Themethodutilizedforconductorsoriginatingwithineachbranch-circuitpanelboardorsimilarbranch-circuitdistributionequipmentshallbedocumentedinamannerthatisreadilyavailableorshallbepermanentlypostedateachbranch-circuitpanelboardorsimilarbranch-circuitdistributionequipment.Thelabelshallbeofsufficientdurabilitytowithstandtheenvironmentinvolvedandshallnotbehandwritten.

Exception:Inexistinginstallationswhereavoltagesystem(s)alreadyexistsandadifferentvoltagesystemisbeingadded,itispermissibletomarkonlythenewsystemvoltage.Existingunidentifiedsystemsshallnotberequiredtobeidentified ateachtermination,connection,andsplicepointincompliancewith210.5(C)(1)(a)and(b).Labelingisrequiredateachvoltagesystemdistributionequipmenttoidentifythatonlyonevoltagesystemhasbeenmarkedforanewsystem(s) .Thenewsystemlabel(s)shallincludethewords"otherunidentifiedsystemsexistonthepremises."



CommitteeStatement

CommitteeStatement:

Therevisedtextclarifiesthattheexistingunidentifiedinstallationsmusthavebeenmadepriortotheadoptionofthe2005NEC,when210.5(C)firstappeared,tobeexcludedfromnewsystemidentificationsandwherethatidentificationisrequired.

ResponseMessage:

PublicCommentNo.877-NFPA70-2015[SectionNo.210.5(C)(1)]




(2)BranchCircuitsSuppliedfromDirect-CurrentSystems.Whereabranchcircuitissuppliedfromadcsystemoperatingatmorethan60volts,eachungroundedconductorof4AWGorlargershallbeidentifiedbypolarityatalltermination,connection,andsplicepointsbymarkingtape,tagging,orotherapprovedmeanseachungroundedconductorof6AWGorsmallershallbeidentifiedbypolarityatalltermination,connection,andsplicepointsincompliancewith210.5(C)(2)(a)and(b).Theidentificationmethodsutilizedforconductorsoriginatingwithineachbranch-circuitpanelboardorsimilarbranch-circuitdistributionequipmentshallbedocumentedinamannerthatisreadilyavailableorshallbepermanentlypostedateachbranch-circuitpanelboardorsimilarbranch-circuitdistributionequipment.

(a) PositivePolarity,Sizes6AWGorSmaller.Wherethepositivepolarityofadcsystemdoesnotserveastheconnectionpointforthegroundedconductor,eachpositiveungroundedconductorshallbeidentifiedbyoneofthefollowingmeans:

(2) Acontinuousredouterfinish

(3) Acontinuousredstripedurablymarkedalongtheconductorsentirelengthoninsulationofacolorotherthangreen,white,gray,orblack

(4) Imprintedplussigns(

+

(1) )orthewordPOSITIVEorPOSdurablymarkedoninsulationofacolorotherthangreen,white,gray,orblackandrepeatedatintervalsnotexceeding610mm(24in.)inaccordancewith 310.120(B)

(2) Anapprovedpermanentmarkingmeanssuchassleevingorshrink-tubingthatissuitablefortheconductorsize,atalltermination,connection,andsplicepoints,withimprintedplussigns()orthewordPOSITIVEorPOSdurablymarkedoninsulationofacolorotherthangreen,white,gray,orblack.

(e) NegativePolarity,Sizes6AWGorSmaller.Wherethenegativepolarityofadcsystemdoesnotserveastheconnectionpointforthegroundedconductor,eachnegativeungroundedconductorshallbeidentifiedbyoneofthefollowingmeans:

(1) Acontinuousblackouterfinish

(2) Acontinuousblackstripedurablymarkedalongtheconductorsentirelengthoninsulationofacolorotherthangreen,white,gray,orred

(3) Imprintedminussigns()orthewordNEGATIVEorNEGdurablymarkedoninsulationofacolorotherthangreen,white,gray,orredandrepeatedatintervalsnotexceeding610mm(24in.)inaccordancewith310.120(B)

(4) Anapprovedpermanentmarkingmeanssuchassleevingorshrink-tubingthatissuitablefortheconductorsize,atalltermination,connection,andsplicepoints,withimprintedminussigns(-)orthewordNEGATIVEorNEGdurablymarkedoninsulationofacolorotherthangreen,white,gray,orred.





SR_305_attachement_for_new_item_4_.docx SR305attachmentfilefornewitem(4).Forstaffuse



CommitteeStatement

CommitteeStatement:

Anadditionallistitemisaddedtotheidentificationmeansofpositiveandnegativepolarityconductors.Thisadditionsupportsthere-useofbranchconductorsfordcapplications.

ResponseMessage:


PublicCommentNo.1653-NFPA70-2015[Sections210.5(C)(1),210.5(C)(2)]






210.7 MultipleBranchCircuits.

Wheretwoormorebranchcircuitssupplydevicesorequipmentonthesameyokeormountingstrap,ameanstosimultaneouslydisconnecttheungroundedsupply conductorssupplyingthosedevicesorequipment shallbeprovidedatthepointatwhichthebranchcircuitsoriginate.



CommitteeStatement

CommitteeStatement:

Thisrevisionremovestheredundantreferenceto"devicesandequipment."

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anySub-Sections]]

Ground-faultcircuit-interrupterprotectionforpersonnelshallbeprovidedasrequiredin210.8(A)and210.8(B through(E ) .Theground-faultcircuitinterruptershallbeinstalledinareadilyaccessiblelocation.

InformationalNoteNo.1:See215.9forground-faultcircuit-interrupterprotectionforpersonnelonfeeders.

InformationalNoteNo.2:See422.5(A)forGFCIrequirementsforappliances.

Forthepurposesofthissection,whendeterminingdistancefromreceptaclesthedistanceshallbemeasuredastheshortestpaththecordofanapplianceconnectedtothereceptaclewouldfollowwithoutpiercingafloor,wall,ceiling,orfixedbarrier,orpassingthroughadoor,doorway,orwindow.



CommitteeStatement

CommitteeStatement:

Texthasbeenrevisedduetoincorporatingtheadditionalrequirementsforboathoists,kitchendishwashers,andcrawlspacelightingoutlets.

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(A)DwellingUnits.All125-and250- volt,single-phase,15-and20-amperereceptaclesinstalledinthelocationsspecifiedin210.8(A)(1)through(10)shallhaveground-faultcircuit-interrupterprotectionforpersonnel.

(1) Bathrooms

(2) Garages,andalsoaccessorybuildingsthathaveafloorlocatedatorbelowgradelevelnotintendedashabitableroomsandlimitedtostorageareas,workareas,andareasofsimilaruse

(3) Outdoors

Exceptionto(3): Receptaclesthatarenotreadilyaccessibleandaresuppliedbyabranchcircuitdedicatedtoelectricsnow-melting,deicing,orpipelineandvesselheatingequipmentshallbepermittedtobeinstalledinaccordancewith 426.28 or427.22 ,asapplicable.

(4) Crawlspacesatorbelowgradelevel

(5) Unfinishedbasementsforpurposesofthissection,unfinishedbasementsaredefinedas portionsorareasofthebasementnotintendedashabitablerooms

Exceptionto(5): Areceptaclesupplyingonlyapermanentlyinstalledfirealarmorburglaralarmsystemshallnotberequiredtohaveground-faultcircuit-interrupterprotection.

InformationalNote: See 760.41(B) and 760.121(B) forpowersupplyrequirementsforfirealarmsystems.

Receptaclesinstalledundertheexceptionto210.8(A)(5)shallnotbeconsideredasmeetingtherequirementsof210.52(G).

(6) Kitchenswherethereceptaclesareinstalledtoservethecountertopsurfaces

(7) Sinkswherereceptaclesareinstalledwithin1.8m(6ft)of from theoutside topinside edgeofthebowlofthe sink

(8) Boathouses

(9) Bathtubsorshowerstallswherereceptaclesareinstalledwithin1.8m(6ft)oftheoutsideedgeofthebathtuborshowerstall

(10) Laundryareas


SubmitterFullName:ChrisCoacheOrganization: [NotSpecified]



StreetAddress:City:State:Zip:SubmittalDate: TueNov1013:24:08EST2015

CommitteeStatement

CommitteeStatement:

Therequirementfor250voltgroundfaultprotectionwasdeletedbecausetherewasinsufficientsubstantiationtosupportexpandingtherequirementtothesecircuits.

Thetextregardingunfinishedbasementshasbeenrevisedsuchthatadefinitionforunfinishedbasementsisunnecessary.

Thetextregardingsinkshasbeenrevisedtoclarifyhowthemeasurementismade.

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SecondRevisionNo.315-NFPA70-2015[NewSectionafter210.8(B)]

(C)BoatHoists.GFCIprotectionshallbeprovidedforoutletsnotexceeding240voltsthatsupplyboathoistsinstalledindwellingunitlocations.

(D)KitchenDishwasherBranchCircuit.GFCIprotectionshallbeprovidedforoutletsthatsupplydishwashersinstalledindwellingunitlocations.



CommitteeStatement

CommitteeStatement:

GFCIprotectionforboathoistsanddishwashersneedstoremaininthebranchcircuitoroutlet.Section422.5FirstRevisionsallowtheoptionofprovidingGFCIprotectionforboathoistsanddishwashersintheattachmentplug,thesupplycordorinstalledwithintheappliance.ThereisnoULstandardthatrequiresGFCIprotectionintegralwithappliancesortheircords.Fornewconstruction,GFCIprotectionaffordedintheoutletorinthecircuitbreakeristhebestsolutionforsafetyasthissolutionpaysnoregardtowhetherornotGFCIprotectionisprovidedforinthecordoftheappliance.

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SecondRevisionNo.317-NFPA70-2015[NewSectionafter210.8(B)]

(E)CrawlSpaceLightingOutlets.GFCIprotectionshallbeprovidedforlightingoutletsnotexceeding120volts installedincrawlspaces.



CommitteeStatement

CommitteeStatement:

GFCIprotectionforcrawlspacelightingoutletshasbeenrelocatedfrom210.70(C)asitdealswithpersonnelprotectionfromelectricalshockandisthusmoreappropriatelylocatedinthissection.

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SecondRevisionNo.322-NFPA70-2015[Sections210.8(B)(2),210.8(B)

(3)]

Sections210.8(B)(2),210.8(B)(3)( 2) ClassesC,D,orESpecial-PurposeGround-FaultCircuit-InterrupterProtection(SPGFCI).

(a) Allsingle-phasereceptaclesratedmorethan150voltstogroundandupto600voltsbetweenungroundedconductors,100amperesorless,shallhavespecial-purposeground-faultcircuit-interrupter(SPGFCI)protectionforpersonnel.

(b) Allthree-phasereceptaclesratedmorethan150voltstogroundandupto600voltsbetweenungroundedconductors,100amperesorless,shallhavespecial-purposeground-faultcircuit-interrupter(SPGFCI)protectionforpersonnel.

(3) Locations.

Bathrooms

Kitchens

Rooftops1)Bathrooms

(2)Kitchens

(3)Rooftops

Exception:Receptaclesonrooftopsshallnotberequiredtobereadilyaccessibleotherthanfromtherooftop

(4) Outdoors

ExceptionNo.1to(c)and(d): Receptaclesthatarenotreadilyaccessibleandaresuppliedbyabranchcircuitdedicatedtoelectricsnow-melting,deicing,orpipelineandvesselheatingequipmentshallbepermittedtobeinstalledinaccordancewith 426.28 or427.22 ,asapplicable.

ExceptionNo.2to(d): Inindustrialestablishmentsonly,wheretheconditionsofmaintenanceandsupervisionensurethatonlyqualifiedpersonnelareinvolved,anassuredequipmentgroundingconductorprogramasspecifiedin 590.6(B)(2) shallbepermittedforonlythosereceptacleoutletsusedtosupplyequipmentthatwouldcreateagreaterhazardifpowerisinterruptedorhavingadesignthatisnotcompatiblewithGFCIprotection.

(5) Sinkswherereceptaclesareinstalledwithin1.8m(6ft)

of

from the

outside

topinside edgeofthe bowlofthe sink

ExceptionNo.1to(e): Inindustriallaboratories,receptaclesusedtosupplyequipmentwhereremovalofpowerwouldintroduceagreaterhazardshallbepermittedtobeinstalledwithoutGFCIprotection.

ExceptionNo.2to(e): Forreceptacleslocatedinpatientbedlocationsofgeneralcare(Category2) orcriticalcare



areas

(Category1)spaces ofhealthcarefacilitiesotherthanthosecoveredunder 210.8(B) (1),GFCIprotectionshallnotberequired.

(6) Indoorwetlocations

(7) Lockerroomswithassociatedshoweringfacilities

(8) Garages,servicebays,andsimilarareasotherthanvehicleexhibitionhallsandshowrooms

(9) CrawlspacesGFCIprotectionshallbeprovidedforlightingoutletsincrawlspacesatorbelowgradelevel.

Unfinishedbasementsforthepurposesofthissection,unfinishedbasementsaredefinedas

(10)Unfinished portionsorareasofthebasementnotintendedashabitablerooms.



SR_322_attachement_for_210.8_B_2_and_B_3_.docx SR322attachmentfor210.8(B)(2).Forstaffuse.



CommitteeStatement

CommitteeStatement:

TherequirementfortheClassC,DorEspecialpurposegroundfaultcircuitInterrupterprotectionwasdeletedbecauseofaconcernfortheimproperapplicationofthissolutionaswellasinsufficientsubstantiationtosupportexpandingtherequirementtothesecircuits.

Aneditorialchangewasmadebydeletinglocationssectionandthesectionsrenumberedasitwasnecessaryduetothedeletionoftheitems(1)and(2)ofthissection.

Therooftopexceptionwasre-instatedtoclarifywhenthereceptacleneedstobereadilyaccessible.

Thetextregardingsinkshasbeenrevisedtoclarifyhowthemeasurementismade.

PatientcarecategorieswereaddedtocorrelatewithArticle517andNFPA99.

Thetextregardingunfinishedbasementshasbeenrevisedsuchthatadefinitionforunfinishedbasementsisunnecessary



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PublicCommentNo.425-NFPA70-2015[Sections210.8(B)(1),210.8(B)(2)]

PublicCommentNo.357-NFPA70-2015[SectionNo.210.8(B)[ExcludinganySub-Sections]]











(4)GarageBranchCircuits.Inadditiontothenumberofbranchcircuitsrequiredbyotherpartsofthissection,atleastone,120volt, 20-amperebranchcircuitshallbeprovided installed tosupplygaragereceptacleoutlet(s). receptacleoutletsinattachedgarages,andindetachedgarageswithelectricpower.Thiscircuitshallhavenootheroutlets.

Exception:Thiscircuitshallbepermittedtosupplyreadilyaccessibleoutdoorreceptacleoutlets.


SubmitterFullName:ChrisCoacheOrganization: [NotSpecified]StreetAddress:City:State:Zip:SubmittalDate: WedNov1113:32:00EST2015

CommitteeStatement

CommitteeStatement:

Changesweremadetoclarifythatreadilyaccessibleoutdoorreceptacleoutletsaretobepermittedonthegaragebranchcircuit.Theseadditionaloutletsprovideconveniencereceptaclessimilartothoseusedinthegarage.

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(A)DwellingUnits.

11/19/2015 national fire second revision 1502-nfpa …...... change "ansi c2-2007" to "ansi/ieee...

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