QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
TheUNationalUElectricalUCodeU(NEC)UisUNOT:U-UANSWERUdesignedUforUfutureUexpansionUofUelectricalUuse
TheUNECUmandatesUspecificUbranch-
circuits,UreceptacleUoutlets,UandUutilizationUequipmentUtoUbeUprovidedUwithUaUground-
faultUcircuitUinterrupterU(GFCI);UthisUdeviceUisUintendedU_____.
a)UtoUpreventUoverloadingUtheUconductors
b)UtoUpreventUoverloadingUtheUcircuitUbreakers
c)UforUtheUprotectionUofUequipmentUfromUoverloads
d)UforUtheUprotectionUofUpersonnelU-UANSWERUD:UforUtheUprotectionUofUpersonnel
Ref:UArt.U100
ElectricalUwiringUinstalledU_____UisUconsideredUtoUbeUinstalledUinUaUdampUlocation.
a)UunderUcanopiesUorUroofedUopenUporches
b)Uunderground
c)Uoutside
d)UnoneUofUtheseUapplyU-UANSWERUA:UunderUcanopiesUorUroofedUopenUporches
Ref:UArt.U100
WhenUaU20-ampere,U120-
voltUreceptacleUoutletUisUinstalled,UinUwhichUofUtheUfollowingUlistedUlocationsUisUtheUreceptacleUrequiredUt
oUhaveUGFCIUprotection?
a)UinUaUclassroomUofUanUeducationalUfacility
b)UinUtheUlobbyUofUaUmovieUtheater
c)UunderUanUoutdoorUcanopy,UnearUtheUentranceUofUaUpublicUlibrary
d)UinUtheUwalkwayUofUanUindoorUretailUshoppingUmallU-
UANSWERUC:UUnderUanUoutdoorUcanopy,UnearUtheUentranceUofUaUpublicUlibrary
Ref:U210.8(B)(4)
, WhichUofUtheUfollowingUisUaUunitUofUelectricalUpower?
a)Uwatt
b)Uvoltage
c)Uresistance
dU)conductanceU-UANSWERUA:Uwatt
Ref:UGeneralUKnowledge
WhenUcheckingUforUcontinuityUbetweenUaUcircuitUbreakerUandUtheUneutralUbarUofUaUpanelboardUwhenUusi
ngUaUcontinuityUtester,UpositiveUcontinuityUisUindicated.UTheUreasonUmayUbeU_____.
I)UaUconductorUgrounded
II)UaUluminaireUorUanUapplianceUmayUbeUturnedUon
a)UIUonly
b)UIIUonly
c)UeitherUIUorUII
d)UneitherUIUnorUIIU-UANSWERUC:UeitherUIUorUII
Ref:UTradeUKnowledge
WhenUinstallingUelectricalUmetallicUtubingU(EMT),UthereUshallUbeUnoUmoreUthanU_____U90°UbendsUinUtheUt
ubingUbetweenUboxesUand/orUpullUpoints.
a)Uthree
b)Ufour
c)Ufive
d)UsixU-UANSWERUB:Ufour
Ref:U358.26
TheUfull-loadUrunningUcurrentUofUaU3-HP,U208-volt,UsingleUphase,UcontinuousUdutyUACUmotorUisU_____.
a)U10.6Uamperes
b)U19.6Uamperes