QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
WhichTofTtheTfollowingTisTnotTaTtypeTofTserviceTdisconnect?
a.TKnifeTbladeTswitch
b.TFuseTblock
c.TCircuitTBreakers
d.TBusTBarT-TANSWERTd.TBusTBar
IfTaTgroundedTconductorTisTattachedTtoTtheTdisconnectTswitch,TwhichTtypeTofTserviceTdisconnectTmustTbeTu
sed?
a.TCircuitTbreakers
b.TKnifeTBladeTSwitch
c.TFuseTBlock
d.TNoneTofTtheTaboveT-TANSWERTa.TCircuitTbreakers
WhatTisTtheTmostTfrequentlyTusedTwireTsizeTforTinteriorTwiring?
a.T10TAWG
b.T12TAWG
c.T15TAWG
d.T18TAWGT-TANSWERTb.T12TAWG
IfTyouThaveTfourTtoTsixT12TAWGTwiresTinTaTconduit,TwhatTwouldTbeTtheTallowableTcurrent-
carryingTcapacityTinTpercentageTtoTtheTnormal?
a.T50%
b.T60%
c.T70%
d.T80%T-TANSWERTd.T80%
, IfTaTboxTisTtoTcontainTfourTNo.T10TconductorsTandTtwoTNo.T12Tconductors,TwhatTisTtheTminimumTsizedTboxTt
hatTcanTbeTusedTinTcubicTinches?
a.T12
b.T13T1/2
c.T14T1/2
d.T15T-TANSWERTc.T14T1/2
ATrunTofTelectricalTconduitTmayTnotThaveTmoreTthanT_____________TquarterTbendsTbetweenTfittingsTandT
outlets?
a.T2
b.T3
c.T4
d.T5T-TANSWERTc.T4
TheTtotalTloadTonTanyTsingleTovercurrentTdeviceTinTaTpanelboardTmustTnotTexceedT80TpercentTofTitsTcapacit
yTwhereTtheTloadTcontinuesTforT3TorTmoreThoursTtoTavoidToverheatingTofTtheTconductor.
True
FalseT-TANSWERTTrue
ATfuseTshouldTbeTratedThigherTthanTtheTlowestTratedTcomponentTinTaTpanelboardTtoTbeTprotected.
True
FalseT-TANSWERTFalse
WhichTofTtheTfollowingTlocationsTwouldTmostTlikelyTrequireTinstallationTofTaTgroundTfaultTcircuitTinterrupte
r?
a.TlivingTroom
b.Tcloset
c.Tbedroom
d.TbathroomT-TANSWERTd.Tbathroom