Industrial Electrician study guide
Questions and Answers Updated
2026
WhyAcanAaAleadAacidAbatteryAbeAanAexplosiveAhazard?A-
AAnswerAHydrogenAgasAisAproducedAduringAchargeAandAdischarge.
WhenAaAmeggerAisAusedAtoAcheckAelectricalAequipmentAbeforeAinitialAenergizing,Athe
AelectricianAwillAensureAthatAtheAphaseAconductorsAareAfreeAfromAcutsAorAabrasionsAi
nAtheAinsulationAbyAchecking?A-AAnswerAPhaseAtoAphaseAandAphaseAtoAground.
WhyAshouldAtheAtestAleadsAofAaAmeggerAneverAbeAtouchedAwhenAinAuse?A-
AAnswerATheAgeneratorAvoltageAisApresentAonAtestAleadsAandAcouldAresultAinAelectric
Ashock.
AAdrawingAshowingApointAAAtoApointABAhookupAofAconductorsAisAcalled?A-
AAnswerAWiringAdiagram.
HowAmuchApowerAisAconsumedAinAaAcircuitAwithAaAvoltageAinputAofA120VAandAanAR-
ValueAofA40Aohms?A-AAnswerA360AWatts
WhatAtestAequipmentAcanAbeAusedAtoAconformAaAsuspectedAshortAcircuitAorAgroundAf
aultAinAaA3-phaseAcircuitA-AAnswerAMegohmmeter
Normally,AtheAeasiestAplaceAtoAreverseAtheAleadsAtoAchangeAtheAdirectionAofAtheArot
ationAofAaA3-phaseAmotorAisAatAthe?A-AAnswerAMotorAstarter
WhatAtypeAofAconduitAfittingAisAusuallyAplacedAinAtheAmiddleAofAaAlongArunAofArigidA
metalAconduitAtoAprovideAaccessAforApullingAwire?A-AAnswerACAfitting
TheAfrequencyAofAaAcircuitAisA15AcyclesAperA1/4Asecond,AwhatAisAtheAHertz(HZ)Aratin
gAofAtheAcircuit?A-AAnswerA60Hz
SeveralA#12AAWGAconductorsAareApulledAtogether,AhowAshouldAtheyAbeAarrangedAonA
theAfishArope?A-AAnswerAStaggered
, WhatAisAtheAmultiplierAforAcalculatingAaA45AdegreeAoffsetAwhenAconduitAisAbeingAbe
nt?A-AAnswerA1.414
Four-inchAsquareAboxesAareAavailableAwithAallAofAtheAfollowingAdepthsAexcept?A-
AAnswerA1Ainch
WhichAofAtheAfollowingAisAusedAtoAconnectAaA1/2AinchAdrainAtoAtheAbottomAofAaA3/
4AinchAtee?A-AAnswerA3/4"AXA1/2"ARE
WhatAisAaAsystemAofAgroundingAelectrodesAinterconnectedAbyAgroundingAconductorsAt
hatAareAburiedAinAtheAearthAtoAprovideAlowerAresistance?A-AAnswerAAAgroundAgrid
SplicingAisApermissibleAonAallAofAtheAfollowingAconduitAbodiesAexcept?A-
AAnswerAPullingAelbows
TheAfirstAstepAinAmakingAanAexothermicA(cadAweld)AconnectionAisAto?A-
AAnswerAPrepareAtheAcableAmoldAandAtheAweldingAmaterial
WhatAtypeAofAswitchAwillAprovideAthree-pointAcontrolAforAaAlight?A-AAnswerATwoA3-
wayAswitchesAandAoneA4-wayAswitch
AAswitchAlabeledACO/ALRAcanAbeAusedAwithAwhatAtypeAofAwire?A-
AAnswerAAluminum,AcopperAorAcopper-cladAaluminum
WhatAisAshownAonAaAsectionalAdrawing?A-AAnswerACutawayAviewAofAaAbuilding
TheAtypeAofAdrawingAthatAshowsAtheAgeneralAarrangementAofAserviceAentranceAequip
mentAandApanelAboards,AalongAwithAtheArelatedAservicesAandAfeederAconduit/conduct
orsAisAa?A-AAnswerAPanelAboardAschedule
TheAratioAofApowerAinAwattsAtoAtheAtotalAvolt-ampsAofAanAACAcircuitAisAknownAas?A-
AAnswerAPowerAfactor
WhyAshouldAtheAproperAropeAbeAselectedAforAaAcableApull?A-
AAnswerAToAmaximizeAsafety
WhatAisAtheAmainApurposeAforAaAdynamometer?A-AAnswerAToAreadApullingAtension
Questions and Answers Updated
2026
WhyAcanAaAleadAacidAbatteryAbeAanAexplosiveAhazard?A-
AAnswerAHydrogenAgasAisAproducedAduringAchargeAandAdischarge.
WhenAaAmeggerAisAusedAtoAcheckAelectricalAequipmentAbeforeAinitialAenergizing,Athe
AelectricianAwillAensureAthatAtheAphaseAconductorsAareAfreeAfromAcutsAorAabrasionsAi
nAtheAinsulationAbyAchecking?A-AAnswerAPhaseAtoAphaseAandAphaseAtoAground.
WhyAshouldAtheAtestAleadsAofAaAmeggerAneverAbeAtouchedAwhenAinAuse?A-
AAnswerATheAgeneratorAvoltageAisApresentAonAtestAleadsAandAcouldAresultAinAelectric
Ashock.
AAdrawingAshowingApointAAAtoApointABAhookupAofAconductorsAisAcalled?A-
AAnswerAWiringAdiagram.
HowAmuchApowerAisAconsumedAinAaAcircuitAwithAaAvoltageAinputAofA120VAandAanAR-
ValueAofA40Aohms?A-AAnswerA360AWatts
WhatAtestAequipmentAcanAbeAusedAtoAconformAaAsuspectedAshortAcircuitAorAgroundAf
aultAinAaA3-phaseAcircuitA-AAnswerAMegohmmeter
Normally,AtheAeasiestAplaceAtoAreverseAtheAleadsAtoAchangeAtheAdirectionAofAtheArot
ationAofAaA3-phaseAmotorAisAatAthe?A-AAnswerAMotorAstarter
WhatAtypeAofAconduitAfittingAisAusuallyAplacedAinAtheAmiddleAofAaAlongArunAofArigidA
metalAconduitAtoAprovideAaccessAforApullingAwire?A-AAnswerACAfitting
TheAfrequencyAofAaAcircuitAisA15AcyclesAperA1/4Asecond,AwhatAisAtheAHertz(HZ)Aratin
gAofAtheAcircuit?A-AAnswerA60Hz
SeveralA#12AAWGAconductorsAareApulledAtogether,AhowAshouldAtheyAbeAarrangedAonA
theAfishArope?A-AAnswerAStaggered
, WhatAisAtheAmultiplierAforAcalculatingAaA45AdegreeAoffsetAwhenAconduitAisAbeingAbe
nt?A-AAnswerA1.414
Four-inchAsquareAboxesAareAavailableAwithAallAofAtheAfollowingAdepthsAexcept?A-
AAnswerA1Ainch
WhichAofAtheAfollowingAisAusedAtoAconnectAaA1/2AinchAdrainAtoAtheAbottomAofAaA3/
4AinchAtee?A-AAnswerA3/4"AXA1/2"ARE
WhatAisAaAsystemAofAgroundingAelectrodesAinterconnectedAbyAgroundingAconductorsAt
hatAareAburiedAinAtheAearthAtoAprovideAlowerAresistance?A-AAnswerAAAgroundAgrid
SplicingAisApermissibleAonAallAofAtheAfollowingAconduitAbodiesAexcept?A-
AAnswerAPullingAelbows
TheAfirstAstepAinAmakingAanAexothermicA(cadAweld)AconnectionAisAto?A-
AAnswerAPrepareAtheAcableAmoldAandAtheAweldingAmaterial
WhatAtypeAofAswitchAwillAprovideAthree-pointAcontrolAforAaAlight?A-AAnswerATwoA3-
wayAswitchesAandAoneA4-wayAswitch
AAswitchAlabeledACO/ALRAcanAbeAusedAwithAwhatAtypeAofAwire?A-
AAnswerAAluminum,AcopperAorAcopper-cladAaluminum
WhatAisAshownAonAaAsectionalAdrawing?A-AAnswerACutawayAviewAofAaAbuilding
TheAtypeAofAdrawingAthatAshowsAtheAgeneralAarrangementAofAserviceAentranceAequip
mentAandApanelAboards,AalongAwithAtheArelatedAservicesAandAfeederAconduit/conduct
orsAisAa?A-AAnswerAPanelAboardAschedule
TheAratioAofApowerAinAwattsAtoAtheAtotalAvolt-ampsAofAanAACAcircuitAisAknownAas?A-
AAnswerAPowerAfactor
WhyAshouldAtheAproperAropeAbeAselectedAforAaAcableApull?A-
AAnswerAToAmaximizeAsafety
WhatAisAtheAmainApurposeAforAaAdynamometer?A-AAnswerAToAreadApullingAtension