Electricians Practice Exam Questions
with Correct Answers 2025
1.CDisregardingCexceptions,Cdry-
typeCtransformersClocatedCindoorsChavingCaCratingCofCgreaterCthanC_____CshallCbeCinstalledCinCaCtransform
erCroomCofCfire-resistantCconstruction.
A.C75CKVA
B.C87C1/2CKVA
C.C112C1/2CKVA
D.C50CKVAC-CCORRECTCANSWERC-C-C112C1/2CKVA
450.21(B)CpgC335
2.CWhatCisCtheCMINIMUMCheightCallowedCforCaCfenceCenclosingCanCoutdoorCinstallationCofC2,400CvoltCelect
ricalCequipment?
A.C6Cfeet
B.C7Cfeet
C.C8Cfeet
D.C9CfeetC-CCORRECTCANSWERC-BC-C60C7Cfeet
110.31CpgC49
3.CWhereCpowerCforCequipmentCisCdirectlyCassociatedCwithCtheCradioCfrequencyCdistributionCsystemCisCcarr
iedCbyCtheCcoaxialCcable,CandCtheCpowerCsourceCisCaCpowerClimitingCtransformer,CwhatCisCtheCMAXIMUMCv
oltageCthisCcoaxialCcableCmayCcarry?
A.C50Cvolts
B.C60Cvolts
C.C120Cvolts
, D.C150CvoltsC-CCORRECTCANSWERC-BC-C60Cvolts
820.15CpgC656
4.CWhereCaC15-ampereCratedCgeneral-
useCacCsnapCswitchCisCusedCasCaCdisconnectingCmeansCforCanCacCmotor,CtheCNECCrequiresCtheCMAXIMUMCfu
ll-loadCcurrentCratingCofCtheCmotorCtoCbeCNOCmoreCthanC_________.
A.C7.5Camperes
B.C10Camperes
C.C12Camperes
D.C15CamperesC-CCORRECTCANSWERC-CC-C12Camperes
430.109(C)(2)CpgC315
15CamperesCxC80%C=C12Camperes
5.CDetermineCtheCMAXIMUMCnumberCofC125-volts,Cgeneral-
purposeCreceptacleCtheCNECCpermitsCtoCbeCprotectedCbyCaC20-ampereC120-volt,Csingle-
poleCinverseCtimeCcircuitCbreakerCinCaCcommercialCoccupancy.
A.C18
B.C15
C.C13
D.C10C-CCORRECTCANSWERC-CC-C13
220.14(I)CpgC71
120CvoltsCxC20CampsC=C2,400CVAC(circuit)
2,400CVAC(circuit)C/C180CVAC(oneCreceptacle)C=C13Coutlets
with Correct Answers 2025
1.CDisregardingCexceptions,Cdry-
typeCtransformersClocatedCindoorsChavingCaCratingCofCgreaterCthanC_____CshallCbeCinstalledCinCaCtransform
erCroomCofCfire-resistantCconstruction.
A.C75CKVA
B.C87C1/2CKVA
C.C112C1/2CKVA
D.C50CKVAC-CCORRECTCANSWERC-C-C112C1/2CKVA
450.21(B)CpgC335
2.CWhatCisCtheCMINIMUMCheightCallowedCforCaCfenceCenclosingCanCoutdoorCinstallationCofC2,400CvoltCelect
ricalCequipment?
A.C6Cfeet
B.C7Cfeet
C.C8Cfeet
D.C9CfeetC-CCORRECTCANSWERC-BC-C60C7Cfeet
110.31CpgC49
3.CWhereCpowerCforCequipmentCisCdirectlyCassociatedCwithCtheCradioCfrequencyCdistributionCsystemCisCcarr
iedCbyCtheCcoaxialCcable,CandCtheCpowerCsourceCisCaCpowerClimitingCtransformer,CwhatCisCtheCMAXIMUMCv
oltageCthisCcoaxialCcableCmayCcarry?
A.C50Cvolts
B.C60Cvolts
C.C120Cvolts
, D.C150CvoltsC-CCORRECTCANSWERC-BC-C60Cvolts
820.15CpgC656
4.CWhereCaC15-ampereCratedCgeneral-
useCacCsnapCswitchCisCusedCasCaCdisconnectingCmeansCforCanCacCmotor,CtheCNECCrequiresCtheCMAXIMUMCfu
ll-loadCcurrentCratingCofCtheCmotorCtoCbeCNOCmoreCthanC_________.
A.C7.5Camperes
B.C10Camperes
C.C12Camperes
D.C15CamperesC-CCORRECTCANSWERC-CC-C12Camperes
430.109(C)(2)CpgC315
15CamperesCxC80%C=C12Camperes
5.CDetermineCtheCMAXIMUMCnumberCofC125-volts,Cgeneral-
purposeCreceptacleCtheCNECCpermitsCtoCbeCprotectedCbyCaC20-ampereC120-volt,Csingle-
poleCinverseCtimeCcircuitCbreakerCinCaCcommercialCoccupancy.
A.C18
B.C15
C.C13
D.C10C-CCORRECTCANSWERC-CC-C13
220.14(I)CpgC71
120CvoltsCxC20CampsC=C2,400CVAC(circuit)
2,400CVAC(circuit)C/C180CVAC(oneCreceptacle)C=C13Coutlets