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THE ELECTRICAL NCCER TEST WITH
TH LATEST UPDATE
Which bArticle bof bthe bNEC bcovers bgrounding? b- b bcorrect banswer- barticle b 250
bWhich bof bthe bfollowing bis ba b 90 bdegree, bexplosion bproof bfitting? b- b bcorrect banswer- bGUAL
bWhat bis ba bdropout bplate? b- b bcorrect banswer- bMetal bplate bwith ba bcurved bsurface bfor bcable bto
bfollow bas bit bpasses bfrom bthe btray
bAll bof bthe bfollowing bare bcommon bservice bvoltages bin bthe bUnited bStates bEXCEPT: b- b bcorrect
banswer- b372/575 b3-PHASE, b4-WIRE
bWhat bdoes ba bGFCI bbreaker bdo? b- b bcorrect banswer- bOpens ba bcircuit bto bprevent boperation bof
ban belectrical bdevice
bWhat bwill bhappen bwhen bone bor bmore bcoils bin ba bwinding bare bgrounded? b- b bcorrect banswer-
bThe bmotor bwill bautomatically bblow bfuses
bEight bincandescent blighting bfixtures bare bto bbe binstalled. bEach bfixture bis b120- bvolts, bwith ba b200-
watt blamp. bWhat bis bthe btotal bconnected bload? b- b bcorrect banswer- b13.3 bamps
bThe bmust bbe bgrounded bin ba bbussed bgutter bif bused bas bthe bmain bservice bequipment. b- b bcorrect
banswer- bNeutral bbusbar
bWhen bwall bmounting bcable btray, bensure bthat b- b bcorrect banswer- bThe bbuilding bstructure bis
bstrong benough bto bsupport bthe btray bsystem
bThe bpurpose bof bsealing bcable bends bwhen breels bof bcable bare bin bstorage bis b- b bcorrect banswer-
bTo bkeep bmoisture bfrom bcreeping bin
bThe bouter bcovering bon bliguid-tight bflexible bmetal bconduit bis bused bfor b- b bcorrect banswer- bA
bmoisture bseal
bA bgood belectrical bconnection bshould b- b bcorrect banswer- bBe bmechanically band belectrically
bsecure
bThe bsymbol bnormally bused bfor bduplex b- b bcorrect banswer- bCircle bwith btwo bparallel blines bdrawb
bthrough bit
bDisconnecting bmeans bare bcovered bin b- b bcorrect banswer- bNEC bSection b110-
bIn brelation bto bswitches, bthe bterm bthrow brefers bto bthe b- b bcorrect banswer- bNumber bof binternal
boperations bthat ba bswitch bcan bperform
bBoth binduction band bsynchronous bmotors boperate bon bthe bprinciple bof ba brotating b____ bfield b- b
bcorrect banswer- bMagnetic
bA btransformer bhas b 200 bturns bin bthe bprimary, b 150 bturns bin bthe bsecondary, band b120VAC
bapplied bto bthe bprimary. bThe bvoltage bacross bthe bsecondary bis: b- b bcorrect banswer- b90Volts
bThe boutput bcapacity bof ba bmotor bis brated bin b- b bcorrect banswer- bHorsepower
bThe bsynchronous bspeed bat bwhich ba bpole, b 60 bHz binduction bmotor boperates bis brpm. b- b bcorrect
banswer- b1,
bThe bsine bof b 0 bdegree bis b- b bcorrect banswer- b 0
bMeters bused bin bAC bcircuits bindicate bthe b- b bcorrect banswer- bEffective
bThe bcomponent blabeled b 7 bin bfigure b 1 bis ba(n) b- b bcorrect banswer- bEnd bseal
bIn ban bAC bcircuit bcontaining bresistance bonly b_____ bwill bflow bif bthe bresistance bis b 10 bohms band
bthe bvoltage bis b120V. b- b bcorrect banswer- b12A
bThe b_____ brotor btypes bare bgenerally brugged. b- b bcorrect banswer- bSquirrel bcage
bProofs btests bare bmade bat_ bof bthe boriginal bfactory bvoltage. b- b bcorrect banswer- b60%
bWhich btype bof bheating bcable bcannot bbe bcut band bterminated bin bthe bfield? b- b bcorrect banswer-
bMineral binsulated
bThe bsecondary bof ba bCT bunder bload bshould bnot bbe bopened bbecause bof_. b- b bcorrect banswer-
bInduced bhigh bvoltage
bIn ba btransformer b______ b- b bcorrect banswer- bElectromagnetic bInduction bOcurs
bWhen ba bground brod bis binstalled, bthe btop bof bthe brod bmust bbe bpositioned b______ bgrade. b- b
bcorrect banswer- bFlush bwith bor bbelow
bWhen bmaking boffset bbends, bthe btwo bkicks bmust bbe bmade bperfectly bparallel bor bthe bresulting
boffset bwill bhave ba b_____ b- b bcorrect banswer- bCrooked bBend
bconduit bthat brequires ba b 90 bdegree bchange bin bdirection, bexcept b42.All bof bthe bfollowing btypes
bof bcondulet bmay bbe bused bas ba bpulling bpoint bfor b_____ b- b bcorrect banswer- bC
bTo bbe beffective, ba bgrounding bsystem bmust blimit bthe bvoltage bon bthe belectrical bsystem band
bprotect bit bfrom ball bof bthe bfollowing, bexcept b_____ b- b bcorrect banswer- bUndervoltage bconditions
bWhat bis bthe bMOST bcommon bservice bused bin ba btemporary bpower bpanel? b- b bcorrect banswer-
b120/240 bvolt, b1-phase, b3-wire
bWhat bare bthe b 2 bMOST bcommon btypes bof bovercurrent bprotective bdevices? b- b bcorrect banswer-
bCircuit bbreakers band bfuses
bWhat binstrument bis bused bto bperform ban binsulation-resistance btest bon ba b480- bvolt bmotor
bwinding? b- b bcorrect banswer- bMegohmmeter
bWhy bis ba bseal binstalled bin ba brun bof bconduit bin ba bClass bI blocation? b- b bcorrect banswer- bPrevent
bthe bpassage bof bexplosive bgases bin bthe bconduit
bA bbrass-colored bterminal bon ba breceptacle bindicates bthat bit bshould bbe bused bto bconnect bwhat
btype bof bwire? b- b bcorrect banswer- bHot bwire
bWhat bis bthe bstandard blength bof brigid bconduit? b- b bcorrect banswer- b 10 bFT
bAn bangle bor bU-pull bis bmade bwith b 14 bwire bor blarger. bThe bdistance bbetween beach braceway
bentry binside bthe bbox band bthe bany bless bthan bhow bmany btimes bthe btrade bopposite bwall bof bthe
bbox bshall bNOT bbe bdiameter bof bthe blargest braceway? b- b bcorrect banswer- b 6 btimes
bWhere bshould bstress bcone bbe bused? b- b bcorrect banswer- bHigh bVoltage bTermination
bA bcable brated bfor b5KV binsulation bcan bsafely bcarry bwhat bMAXIMUM bvoltage? b- b bcorrect
banswer- b5,000 bvolts
bWhat bis bthe bPRIMARY bconsideration bin bselecting bthe bproper brope bfor ba bcable bpull? b- b bcorrect
banswer- bSafety
bWhich bof bthe bfollowing bstatements bdescribes bthe boperating bfeatures bof ba bthermal boverload
brelay? b- b bcorrect banswer- bThe bgreater bthe boverload, bthe bshorter bthe btime bof btripping.
bNormally, bthe beasiest bplace bto breverse bthe bleads bto bchange bthe bdirection bof brotation bof ba b3-
phase bmotor bis bat bthe b- b bcorrect banswer- bMotor bStarter
bWhat bis bthe blargest bsize bconductor bthat bcan bterminate bon ba b20amp breceptacle? b- b bcorrect
banswer- b12awg
bWhy bcan ba blead bacid bbattery bbe ban bexplosive bhazards? b- b bcorrect banswer- bHydrogen bgas bis
bproduced bduring bcharge band bdischarge
bWhat bMAXIMUM bnumber bof bbends bis ballowed bbetween bfittings bin bone bconduit brun? b- b
bcorrect banswer- b 4 bquarter bbends bor b 360 bdegrees
bWhat bsize bwire bis bstandard bfor ba b120- bvolt bmotor bcontrol bsystems? b- b bcorrect banswer- b#
bIn ball bcases bwhere blive bparts bare bnormally bexposed bon bthe bfront bof bswitchboards bor bmotor
bcontrol bcenters bthe bworking bspace bin bfront bof bsuch bequipment bMUST bbe bwhat bMINIMUM
blength? b- b bcorrect banswer- b3Ft
bWhat bis bthe binterrupting brating bof ba bfuse? b- b bcorrect banswer- bThe bmaximum bvalue bof bcurrent
bthat bthe bfuse bis bdesigned bto binterrupt
bWhat bis bthe bPRIMARY bpurpose bof bP&ID? b- b bcorrect banswer- bProvides bscale bdrawings band
bpiping band binstrumentation bcontrol bsystems
bA b"megger" bwill bbe bused bto bcheck ba bcable. bThe belectrician bMUST bbe bsure bthát bthe bcircuit bis
b- b bcorrect banswer- bDe-energized band blocked, btagged bout, band btested
bWhat bis bthe bsymbol bfor bthe bprimary bside bof ba btransformer? b- b bcorrect banswer- bH
bWhat bis bthe bfunction bof ba bballast bin ba bflourescent bfixture b- b bcorrect banswer- bSteps bup bthe
bvoltage
bAn belectrical bfitting bcan bbe bmade bexplosion bproof bin bwhich bof bthe bfollowing bways b- b bcorrect
banswer- bUsing ban bamorphous bsealed bdevice
bCable btrays bare busually bsupported bby ball bthe bfollowing bmeans bEXCEPTS? b- b bcorrect banswer- b#
bwire
bWhat bcolor bidentifies ban binsulated, bgrounded bnumber b 4 bconductors? b- b bcorrect banswer- bGreen
bWhy bis bit bimportant bto btorque bbolts bwhen bbusbars bare bconnected? b- b bcorrect banswer-
bDecreases bresistance bon bthe bconnection
bAll bthe bfollowing bare bprotective bdevices bfor bmotors bEXCEPT b- b bcorrect banswer- bSOLENOID
bService bconductors bare bsized bbased bon bwhat bfactor? b- b bcorrect banswer- bThe btotal bcalculated
bload bof bthe bbuilding
bA bholding bcontact bna bmotor bstarter bis bnormally bconnected bin bparallel bwith bthe b- b bcorrect
banswer- bStart bpush bbutton
bThe bnumber bof bcomplete bAC bcycles bper bsecond bis bcalled bthe b- b bcorrect banswer- bFrequency
bWhich bof bthe bfollowing bcomponents bis bpart bof ba bdual belement bfuse b- b bcorrect banswer-
bRejection bclip
bThe bpotential bacross bthe bcircuit bis b 480 bvolts band bthe bcurrent bis b 50 bamps. bWhat bis bthe
bresistance bof bthe bcircuit? b- b bcorrect banswer- b9.6 bohms
bWhat bNEC btable bindicates bthe bsize bof bservice bconductors? b- b bcorrect banswer- bTable b310-
bWhat binstrument bis bused bto bmeasure bCURRENT? b- b bcorrect banswer- bAmmeter
bWhat bare bthe b 3 belements bin bevery belectrical bcircuit? b- b bcorrect banswer- bPower bsource, bswitch,
band bload
bHow bdoes ba bbattery bproduce bvoltage? b- b bcorrect banswer- bChemical breaction
bWhat btype bof bNEMA bclass benclosure bis bapproved bfor bgeneral bpurpose bindoor buse band bis bNOT
bdust-tight bor bdrip-proof? b- b bcorrect banswer- bTypes b 1
bIf ba bvoltage bsource bof ba bcircuit bprovides b 240 bvolts band bthere bare b 5 bohms bof bresistance, bhow
bmuch bcurrent bis bin bthe bcircuit? b- b bcorrect banswer- b 40 bamps
bAn banalog bvoltmeter bis bbeing bconnected bto ba b 24 bV bDC bcircuit. bPolarity bis breversed. bWhat
breading bwill boccur? b- b bcorrect banswer- bO bor bfewer bvolts
bHow bshould bpower bcable band bsignal bcable bbe bplaced bin bthe bsame bcable btray? b- b bcorrect
banswer- bPlace ba bdivider bbetween bthe bsignal bcables band bthe bpower bcable
bWhat bare bthe b 2 bMOST bcommonly bused bmethods bof bterminating bgrounding? b- b bcorrect
banswer- bExothermic b(Cadwelding) band bmechanical
bCopper bis bthe bmost bwidely bused bconductor bbecause bit. b- b bcorrect banswer- bOffers blow
bresistance band bis beasy bto buse
bThe bforce bthat bcauses belectrons bto bflow bis bmost bcommonly bcalled b- b bcorrect banswer- bVoltage
bA bdropout bplate bis bbest bdescribed bas ba. b- b bcorrect banswer- bPlate bwith ba bcurved bsurface bfor
bcable bto bfollow bas bit bpasses bfrom bthe btray
bThe b 2 bbasic bcable btray bfailures bunder bload bare b_____ bfailures. b- b bcorrect banswer- bSide brail
band brung
bWhat btype bof bcircuit bbreaker bwas bdeveloped bto bmeet bthe bneeds bof bsystems bwhere bhigh
bpotential bfault-currents bare bpresent? b- b bcorrect banswer- bCurrent-limiting
bWhere bare bthe boverload bheaters bnormally blocated bin ba bmotor bcircuit? b- b bcorrect banswer- bIn
bthe bmotor bstarter bbetween bthe b"T" bleads band bthe bcontactors
bA bheat btrace bcable bis binstalled bon ba bline bthat bwill bbe binsulated. bWhen bwill bthe bcable bbe
b"megged"? b- b bcorrect banswer- bBefore band bafter bthe binsulation bis bput bon bthe bline
bVoltage bhas bbeen bstepped-down bin ba btransformer. bWhat bhappens bto bthe bcurrent bin bthe
bsecondary b- b bcorrect banswer- bIt bdecreases
bA bVOM bmeasures b- b bcorrect banswer- bOhms, bamps, band bvolts
bThe bstandard bunit bfor bmeasuring bthe bcross-sectional barea bof bwire bis bthe b- b bcorrect banswer-
bCIRCULAR bMIL
b??? bare bintended bfor bthe belectrical bprotection bof bpersonnel. b- b bcorrect banswer- bGFCIS
bIf ba bcircuit bhas b 10 bamps bof bcurrent band b 12 bohms bof bresistance, bthe bapplied bvoltage bis b- b
bcorrect banswer- b 120
bA bType b?? bconduit bbody bhas ba bthreaded bstraight bhub bon beach bend band banother bthreaded
bhub bperpendicular bto bthese btwo. b- b bcorrect banswer- bT
bThe btest bleads bof ba bmegger bshould bnever bbe btouched bwhen bit bis bin buse bbecause b- b bcorrect
banswer- bThe bgenerator bvoltage bis bpresent bon bthe btest bleads band bcould bresult bin belectrical
bshock
bThe bpurpose bof ban binsulated bbushing bat braceway btermination bpoints bis bto b- b bcorrect banswer-
bProtect bthe bconductors bfrom bbeing bdamaged
bA bvoltmeter bis bconnected bin. b- b bcorrect banswer- bParallel bwith bthe bcircuit
bSolid bbottom bmetal bcable btray bwith bsolid bmetal bcovers bmay bbe bused bin b- b bcorrect banswer-
bEnvironments bairways bexcluding bducts band bplenums bfor benvironmental bair
bThe bindication bprovided bby ba bvoltage btester brepresents b____ b- b bcorrect banswer- bThat bthere bis
ba bpotential bdifference bbetween b 2 bpoints
bWhat bdoes ba bwatt bmeter bindicate? b- b bcorrect banswer- bTrue bpower
bWhen btransporting bmetal bconduit, bit bis bimportant bto b- b bcorrect banswer- bProtect bthe bthreads
bkeep bthe bcaps bon bto bprevent bthread bdamage
bThe bvoltage bdrop bof bconductors bcarrying bAC bin bPVC bconduit bwill bhave bwhat brelation bto bthat
bof bidentical bconductors bin bthe bconduit b- b bcorrect banswer- bThe bsame
bWhich bof bthe bfollowing bis bthe b"heating belement" bin ba bself- bregulating bheat btrace? b- b bcorrect
banswer- bSemiconducting bcore
bIntermediate bmetal bconduit b(IMC) bis ba btype bof bconduit bthat b- b bcorrect banswer- bHas ba bwall
bthickness bless bthan bthat bof brigid bmetal bconduit bbut bthicker bthan bEMT
bAccording bto bOhm's bLaw, bthe bamount bof bcurrent bin ba bcircuit bis bequal bto bthe b- b bcorrect
banswer- bVoltage bdivided bby bthe bresistance
bThe bdrawing bscale bis bmost blikely bto bbe bfound bin bwhich bof bthe bfollowing bdrawing blocation? b- b
bcorrect banswer- bThe bdrawing btitle bblock
bWhat bitem bis bused bto bmake ba b 90 bdegree bbend bwhen bpulling bwire bin bcable btray? b- b bcorrect
banswer- bCable broller
bThe bfirst bstep bin bmaking ban bexothermic b(cadweld) bconnections bis? b- b bcorrect banswer- bTo
bprepare bthe bcable, bmold, band bwelding bmaterial
bIn ba bsine bwave, bthe bnumber bof btimes bper bsecond ban bidentical bpattern bitself bis bknown bas? b- b
bcorrect banswer- bFrequency bof ba bwaveform
bWhat bis bthe bvoltage bratio bfor bdual-voltage bmotors? b- b bcorrect banswer- b 2 bto b 1
bThe bvalue bindicated bon ba bmeter bfor ban bAC bcircuit bare bdefined bas broot-mean- bsquare, bwhat bis
banother bterm bfor bthis? b- b bcorrect banswer- bEffective bValue
bWhat bdoes bframe bsize bprovide binformation babout? b- b bcorrect banswer- bProper bbolt-up
bAll bparts bof bmetal bcable btray bmust bbe bbonded btogether band? b- b bcorrect banswer- bGrounded
bWhich bof bthe bfollowing bdescribes bthe bgrounding bof bmetal bparts bthat bdo bnot bcarry bcurrent bin
ba bdistribution bsystem? b- b bcorrect banswer- bEquipment bgrounding
bWhich bof bthe bfollowing bstatements bis btrue babout bcadweld bmolds bis btrue? b- b bcorrect banswer-
bCadweld bmolds bare bsized bto bfit bthe bcable bthat bis bbeing bwelded
bWhere bis bnonmetallic bconduit bPVC bused? b- b bcorrect banswer- bBoth babove band bbelow bground
bWhich bof bthe bfollowing bis bdesigned bfor bhigh-tension bwire bpulls? b- b bcorrect banswer- bNylon
bconduit bpiston b(mouse) bis bused bfor bwhat bapplication? b- b bcorrect banswer- bCleaning bthe bconduit
bWhen ba bcable btray bsystem bmust bbe bprotected bfrom bsunlight, bwhich bis btrue? b- b bcorrect
banswer- bCable btray bcovers
bWhat bis bthe bmaximum bvoltage bof bconductors bon bwhich bwire bnuts bmay bbe bused bfor binterior
bwiring? b- b bcorrect banswer- b 600 bvolts
bHow bis bmetering bof belectricity baccomplished bfor bservices brated bgreater b 400 bamps? b- b bcorrect
banswer- bBy busing ba bCT bmetering
bThe bterminations bon ba bmotor bstarter bare btightended bincorrectly, bwhat bmay bhappen? b- b
bcorrect banswer- bIt bwill bcreate ban bARC band bincrease bthe bamperage bthe bmotor bis bpulling
bA bsection bof ba bcable btray bthat bmakes b 2 bvertical b 90 bdegree bturns bis bknown bas? b- b bcorrect
banswer- bA bvertical b"T"
bWhat bshould bbe bdone bto bchange bthe brotation bof ba b3-phase bmotor? b- b bcorrect banswer- bSwap
bany btwo bleads
bWhat bis bthe btypical bvoltage bof ba bcontrol btransformer bfor b3-phase, b 480 bvolt bstarter b- b bcorrect
banswer- b 110 bvolts
bWhich bof bthe bfollowing bdetermines bthe bpulling bforce bapplied bto bthe bcable bwhen busing ba
btugger? b- b bcorrect banswer- bThe bnumber bof bwraps bon bthe btugger bdrum
bWhich bof bthe bfollowing bis bthe bmost bsevere bhazardous bclassification? b- b bcorrect banswer- bClass
b1, bdivision b 1
bWhat bis bthe bterm bfor ba btransformer bwhose bprimary band bsecondary bcircuit bhave bpart bof ba
bwinding bin bcommon? b- b bcorrect banswer- bThe b 2 bcircuit bare bnot bisolated bfrom beach bother. bAuto
btransformer
bAll bof bthe bfollowing brating bappear bon ba bcircuit bbreaker bnameplate, bexcept b- b bcorrect banswer-
bRated bwattage
bThe btrip brating bof ba bcircuit bbreaker bused bin bthe bmain bproctective bdevice bin ba bpanelboard
bcannot bexceed? b- b bcorrect banswer- bThe btotal bamp bof bthe bbranch bbreakers
bA btransformer bhas ba bturn bratio bof b5:1, bwhat bwill bbe bthe bvoltage bon bthe bsecondary bif bprimary
bvoltage bis b120v? b- b bcorrect banswer- b 24 bvolts
bWhich bof bthe bfollowing btypes bare braceways bis bapproved bfor buse bin bclass b 1 bdivision b 1
bhazardous blocation? b- b bcorrect banswer- bRigid bmetal bconduit
bWhich bof bthe bfollowing bwould bbe bfound bin ba bclass b 1 blocation? b- b bcorrect banswer- bThree
bthreads bon bconduit bconnections
bThe bdrawing bscale bis b(most) blikely bto bbe bfound bin bwhich bof bthe bfollowing bdrawing blocation? b-
b bcorrect banswer- bThe bdrawing btitle bblock
bTo bslightly bchange belevation bof ba bcable btray b- b bcorrect banswer- bSwivel bplates
bHeat btrace bcable bshould bnever bcross bitself bexcept? bwhen bcable bis b- b bcorrect banswer-
btemperature bself blimited
bWhen bclimbing ba bscaffold byou bneed? b- b bcorrect banswer- bYo byo
bWhen byou bdouble bresistance band bamperage, bwhat bhappens bto bthe bcurrent? b- b bcorrect
banswer- bIts bstays bthe bsame
bWhich bof bthe bfollowing bshould bbe bused bto bcool bdry ba btransformer? b- b bcorrect banswer- bFans
bWhich bof bthe bfollowing bstatements bis b(true) babout bintrinsically bsafe bequipment? b- b bcorrect
banswer- bSuch bequipment bcan bbe bused bin bhazardous blocations
bWho bis ballowed bto bremove banother belectrician btag bof block bfrom bany bvalve, bor bpiece bof
bequipment bwithout bproper bdocumentation band bapproval? b- b bcorrect banswer- bNo bone
bThe bminimum bacceptable bDC bmegohms bresistance bof ba b 4160 bvolt bmotor bis bapproximately b- b
bcorrect banswer- b4.2 bMegohms
bWhich bof bthe bfollowing bstatements babout ba bservice bneutral bconductor bis b(true)? b- b bcorrect
banswer- bIt bmay bbe bsmaller bthan bthe bungrounded bconfuctors bshould bbe blarger bthan bthe
bundergrounded bconductors
bHow bare bprimary bleads bidentified bin ba btransformer? b- b bcorrect banswer- bH1, bH2, bH
bThe bleads bon ba btype bK bthermalcouple bare? b- b bcorrect banswer- bYellow band bRed
bWhat bdoes bthermal boverload bprotect bin ba bstarter bor bMCC? b- b bcorrect banswer- bMotors
bWhat bis bthe b(minimum) bheadroom bat bservice bequipment? b- b bcorrect banswer- b6ft b6in. bor b7ft
