Questions and Answers Updated
2026
ServiceAentraceAconductorsArunAfromAtheAserviceAdropAtoAtheAserviceAboxAorAservic
eApanel.ATrueAorAFalse?A-AAnswerATrue
TheAserviceAsizeAisAdeterminedAbyAtheAamperageAandAtheAvoltageAratingsAofAtheAse
rvice.A-AAnswerATrue
IsAtheAserviceAdropAoverheadAorAunderground?A-AAnswerAOverhead
AreAserviceAlateralsAoverheadAorAunderground?A-AAnswerAUnderground
TheAdripAloopAisAtypicallyApartAofAtheAserviceAdrop.ATrueAorAFalse?A-AAnswerAFalse
TheAwireAsizeAforAtheAserviceAdropAmustAbeAtheAsameAasAtheAwireAsizeAforAtheAse
rviceAentranceAconductors.ATrueAorAFalse?A-AAnswerAFalse
HowAmanyAwiresAwouldAyouAtypicallyAfindAinAaA240-voltAserviceAdrop?A-AAnswerA3
WhatAwouldA4AwiresAmean?A-AAnswerA3-phaseAelectricity
WhatAwouldA2AwiresAusuallyAmean?A-AAnswerA120AvoltAservice
ListA7AcommonAproblemsAwithAserviceAdrops.A-AAnswerA1.AOverheadAwiresAtooAlow.
2.ADamagedAorAfrayedAwires.
3.ATreesAorAvinesAinterferingAwithAwires.
4.AWiresAtooAcloseAtoAdoorsAorAwindows.
,5.AWiresAnotAwell-securedAtoAtheAhouse.
6.APoorAconnectionAbetweenAserviceAdropAandAserviceAentrance.
7.AInadequateAclearanceAfromAroofs.
ListAclearancesAaboveAground,AswimmingApools,AandAroofs.A-
AAnswerAaboveAroadway--18Aft.
aboveAdriveway--12Aft.
aboveAflatAroof--8AtoA10Aft.
aboveAslopedAroof--18Ainches
awayAfromAwaterAinAswimmingApool--22.5Aft
3Aft.AaboveAslopedAroofAwithApitchA>A4AinA12
aboveAwalkway--10Aft.
TheAserviceAentranceAconductorsArunAfromAtheA_________AtoAtheA___________.A-
AAnswerAserviceAdropAtoAserviceAbox
AllAserviceAentranceAconductorsAmustAbeAinAconduit.ATrueAorAFalse?A-AAnswerAFalse
AllAserviceAentranceAconductorsAmustAbeAattachedAaboveAroofAlevel.ATrueAorAFalse?
A-AAnswerAFalse
TheAdripAloopAshouldAbeAasAcloseAtoAtheAroofAasApossible.ATrueAorAFalse?A-
AAnswerAFalse
ListA10AcommonAproblemsAwithAserviceAentranceAconductors.A-
AAnswerA1.ANoAdripAloop
2.ANoAmastAhead
3.AMastAheadAnotAweatherAtight.
4.AMastAorAconduitAbent.
5.AMastAorAconduitArusted.
6.AMastArottedA(ifAwood).
,7.AMastAconduitAorAcableAnotAwellAsecured.
8.AMastAconduitAorAcableAnotAweatherAtight.
9.AConduitAorAcableAnotAwellAsealedAatAhouse/wallApenetration.
10.ACableAfrayed,Adamaged,AorAcoveredAbyAsiding.
ListA4AcommonAareasAofAwaterApenetrationAintoAserviceAentrances.A-
AAnswerA1.AconduitAjoints
2.AmastAhead
3.AroofAflashing
4.AmeterAbase
5.AhouseAentry
ListA2AfunctionsAofAtheAdripAloop.A-
AAnswerA1.APreventsAwaterAentryAintoAtheAconduitAorAserviceAentranceAconductors.
2.AShowsAthatAtheAserviceAdropAwiresAareAnotAstrainingAtheAsplices.
RoughlyA999AoutAofA1000AhousesAhaveA_________AvoltsAavailable.A-AAnswerA240
RoughlyA999AoutAofA1000AhousesAhaveA__________AserviceAentranceAwires.A-
AAnswerA3
LoadAcalculationsAareApartAofAaAhomeAinspection.A-AAnswerAFalse
ImplicationsAofAanAundersizedAserviceAinclude:
a.AshockAhazard
b.AfireAhazard
c.AshockAandAfireAhazard
d.AmeltingAinsulation
e.AnuisanceAtrippingAofAtheAmainAfusesAandAbreakersA-AAnswerAe.
, WhatAisAtheAlargestAsingle-phaseAserviceAthatAyouAareAlikelyAtoAfindAinAaAhome?A-
AAnswerA400Aamps
WhatAsizeAcopperAwireAwouldAyouAexpectAtoAfindAonAtheAserviceAentranceAfor:
a.A60-ampAservice
b.A100-ampAservice
c.A200-ampAserviceA-AAnswerAa.A6Agauge
b.A4Agauge
c.A2-0Agauge
WhichAofAtheAfollowingAisAaAreliableAwayAtoAidentifyAtheAserviceAsize?
a.AtheAsizeAofAtheAserviceAdropAwires
b.AtheAdistributionApanelArating
c.AtheAserviceAboxArating
d.AtheAserviceAentranceAconductor
e.AtheAserviceAentranceAconduitAsizeA-AAnswerAd.
AluminumAisAanAacceptableAserviceAentranceAconductorAmaterial.ATrueAorAFalse?A-
AAnswerATrue
AAfusedA200-ampAserviceAhasAtwoA100-
ampAfusesAinAtheAserviceAbox.ATrueAorAFalse?A-AAnswerAFalse
IfAyouAcan'tAreadAtheAsizeAofAtheAfusesAinAtheAserviceAbox,AyouAshouldAremoveAth
emAtoAtryAtoAgetAaAbetterAlook.ATrueAorAFalse?A-AAnswerAFalse
WhichAofAtheAfollowingAisAaAsafetyAissue:
a.ATheAmainAfusesAhaveAaAlowerAratingAthanAtheAserviceAentranceAwire.
b.ATheAmainAfusesAhaveAaAhigherAratingAthanAtheAserviceAentranceAwire.
c.ATheAserviceAboxAhasAaAhigherAratingAthanAtheAserviceAentranceAwires.
d.ATheAserviceAboxAhasAtheAsameAratingAasAtheAserviceAentranceAwires.