Master Electrician-s Exam Prep Guide Exam -4-6 Questions with Correct Answers 2025

Master Electrician's Exam Prep Guide Exam
#4-6 Questions with Correct Answers 2025
OvercurrentCprotectionCforCsizeC18CAWGCnon-power-
limitedCfireCalarmC(NPLFA)CcircuitCconductorsCshallCNOTCexceedC____CandCtheCovercurrentCprotectionCforCsi
zeC16CAWGCNPFLACcircuitCconductorsCshallCNOTCexceedC____.
C


A.C8Camperes,C10Camperes

B.C7Camperes,C12Camperes

C.C8Camperes,C12Camperes

D.C7Camperes,C10CamperesC-CCORRECTCANSWERC-D.C7Camperes,C10Camperes

pg.C648



TheCgeneralCruleCisCwhereCracewaysCandCcablesCareCexposedCtoCdirectCsunlightConCorCaboveCrooftops,CandCt
heCdistanceCaboveCtheCroofCtoCtheCbottomCofCtheCracewayCorCcableCisClessCthanC7/8Cin.,CaCtemperatureCadd
erCofC33Cdeg.CCC(60Cdeg.CF)CshallCbeCaddedCtoCtheCoutdoorCtemperatureCtoCdetermineCtheCapplicableCambi
entCtemperatureCforCapplicationsCofCtheCcorrectionCfactors.CAnCexceptionCtoCthisCruleCisC____.



A.CProhibited

B.CWhereCtheCracewayCorCcablesCcontainC3CorClessCcurrent-carryingCconductors

C.CWhereCtheCinsulatedCconductorsCorCcablesChaveCaCtemperatureCratingCofC90Cdeg.CCCorCmore

D.CWhereCtheCinsulatedCconductorsCorCcablesCareCTypeCXHHW-2C-CCORRECTCANSWERC-
D.CWhereCtheCinsulatedCconductorsCorCcablesCareCTypeCXHHW-2

pg.C158



AnCemergencyCsystemCisCrequiredCtoChaveCNOCmoreCthanC____CtoChaveCpowerCavailableCinCtheCeventCofCfai
lureCofCtheCnormalCsupplyCsystem.



A.C10Cseconds

B.C15Cseconds

C.C60Cseconds

D.C3CminutesC-CCORRECTCANSWERC-A.C10Cseconds

,pg.C608



X-rayCequipmentCinstalledCinCaChospitalCmayCbeCservedCbyCaChard-
serviceCcordCwithCaCsuitableCattachmentCplug,CprovidedCtheCbranchCcircuitCratingCdoesCNOTCexceedC____.



A.C15Camperes

B.C20Camperes

C.C30Camperes

D.C50CamperesC-CCORRECTCANSWERC-C.C30Camperes

pg.C450



ElevatorCdrivingCmotorsCusedCwithCaCgeneratorCfieldCcontrolCareCratedCasC____CdutyCmotors.



A.CIntermittent

B.CContinuous

C.CVariable

D.CControlledC-CCORRECTCANSWERC-A.CIntermittent

pg.C530



WhereCaCdirectCburialCcableChasCaCvoltageCofC45CkV,CtheCNECCmandatesCtheCMIN.CburialCdepthCorCtheCcableC
toCbeCatCLEASTC____.



A.C24Cinches

B.C36Cinches

C.C42Cinches

D.C48CinchesC-CCORRECTCANSWERC-C.C42Cinches

pg.C150

, Given:CACrecreationalCvehicleCcampgroundChasCaCtotalCofC150CRVCcampsitesCwithCelectricalCpower.CTwenty-
fiveC(25)CofCtheCcampsitesCareCreservedCasCtentCsites.CHowCmanyCsitesCareCrequiredCtoChaveCatCLEASTConeC(
1)C20-ampere,C125-voltCreceptacleCoutlet.



A.C105

B.C125

C.C150

D.CNoneC-CCORRECTCANSWERC-C.C150

pg.C489



DetermineCtheCMIN.CsizeCtypeCSOCcordCpermittedCtoCsupplyCaC40Chp,C460-volt,C3-phase,Ccontinuous-
duty,CacCwoundCrotor,CmotorCinstalledCinCanCareaCwithCanCambientCtemperatureCofC86CdegreesCF.



A.C2CAWG

B.C4CAWG

C.C6CAWG

D.C8CAWGC-CCORRECTCANSWERC-A.C2CAWG

pg.C308,C309,C333,C313,C257



WhereCaC30Chp,C240-volt,C3-
phaseCsynchronousCmotorChasCaCpowerCfactorCofC90Cpercent,CasCperCtheCNECCtheCfull-
loadCrunningCcurrentCofCtheCmotorCisC____.



A.C63.0Camperes

B.C69.3Camperes

C.C76.23Camperes

D.C86.62CamperesC-CCORRECTCANSWERC-B.C69.3Camperes

pg.C333



WhenCwaterCreachesCtheCheightCofCtheCestablishedCelectricalCdatumCplaneCforCanCirrigationCpond,CtheConCl
andCelectricalCserviceCequipmentCmustC____.