C10 T Exam Questions with 100% Correct Answers | Latest Version (2024/2025) Expert Verified

C10 T Exam Questions with 100% Correct
Answers | Latest Version (2024/2025) Expert
Verified

QuestionT#:T1:TWhenTtroubleshootingTaTmotorTcapacitor,TtheTmeterTpe
gsTtoTtheTrightTandTstaysTthere.TWhatTdoesTthisTindicate?T-
TCorrectTAnswer-CorrectTanswer:TbadTcapacitor


AdditionalTNotes:TIfTtheTcapacitorTwereTgood,TtheTneedleTwouldTpegTt
oTtheTright,TthenTslowlyTdropTbackTdown.


QuestionT#:T2:TOnTaT480TV,Tthree-
phaseTblowerTmotorTwithTauxiliaryTcontactsTandTindicators,TtheTpushT
buttonTstartTisToffTdueTtoTaTthermalToverload.TWhatTisTtheTmostTlikelyT
cause?T-TCorrectTAnswer-CorrectTanswer:ToverloadedTmotor


WhenTinstallingTaTfireTalarmTsystemTbellTorThorn,ThowTfarTaboveTgrade
TshouldTitTbeTmounted?T-TCorrectTAnswer-7'-6"


AdditionalTNotes:TTheTtopTofTtheTdeviceTshouldTbeTatTleastT7'-
6"TaboveTtheTfinishedTfloorTandTatTleastT6"TbelowTtheTfinishedTceiling.TI
fTtheTceilingTheightTisTtooTlowTtoTallowTtheTrecommendedTmountingThe
ights,TtheTdeviceTcanTbeTmountedTatTaTlowerTheight,TorTonTtheTceiling.


WhatTisTtheTminimumTlengthTofTaTgroundingTrod?T-TCorrectTAnswer-8'

,WhenTtestingTaTGFCITtrip,TprobeTconductorTandTfixtureTground,Tuse:T-
TCorrectTAnswer-inductiveTvoltageTtester




OnTaTwalk-
throughTofTaTnewThome,TtheTownerTwantsTyouTtoTinstallTanToutletTbesi
deTtheTstove.TTheTcounterTtopTisT48"TlongTandTtheTwallTisT6'Taway.TTheT
contractorT-TCorrectTAnswer-wouldTneedTtoTinstallT2Toutlets


WhatTisTtheTmaximumTallowedTgapTallowedTaroundTaTboxTinTaTwallTfini
shedTwithTdrywall?T-TCorrectTAnswer-CorrectTanswer:T1/8"T
AdditionalTNotes:TPlaster,Tdrywall,TorTplasterboardTsurfacesTmustTnotT
haveTgapsTorTopenTspacesTgreaterTthanT1/8"TatTtheTedgeTofTaTboxTorTfit
ting.


WhatTisTtheTminimumTnumberTofTbranchTcircuitsTrequiredTatTeachTpati
entTbedTlocation?T-TCorrectTAnswer-
CorrectTanswer:Ttwo;ToneTfromTtheTemergencyTelectricalTsystemTandTt
heTotherTfromTtheTnormalTsystem


WhenTcanTyouThaveTanTisolatedTgroundTpassingTthroughTaTpanelTwitho
utTconnectingTitTtoTthatTpanel'sTequipmentTgroundingTterminalTbar?T-
TCorrectTAnswer-

CorrectTanswer:TwhenTyouTareTreducingTvibrationTandTnoiseTonTtheTgr
ound
AdditionalTNotes:TWhenTinstallingTanTisolatedTgroundTreceptacleTtheTi
nsulatedTequipmentTgroundingTconductorTisTrunTwithTtheTcircuitTcond

, uctorsTdirectlyTbackTtoTtheTmainTserviceTdisconnect.TMetalTboxesTandTr
acewaysTmustTstillTbeTgrounded.


WhichTofTtheTfollowingTcouldTcauseTaTsignificantTincreaseTtoTtheTbidTa
mountTonTaTjobTatTanTautomotiveTrepairTshop?T-TCorrectTAnswer-
CorrectTanswer:TtheTserviceTpitTisTinadequatelyTventilated
AdditionalTNotes:TTheTentireTareaTofTrepairTgarages,TupTtoTaTlevelTofT18
"TaboveTtheTfloor,TareTClassTI,TDivisionT2,Tlocations.TAnyTdepressionTbel
owTfloorTlevelT(suchTasTaTserviceTpit)TisTalsoTaTClassTI,TDivisionT2,Tlocatio
nTunlessTitTisTunventedTinTwhichTcaseTitTmayTbeTconsideredTaTClassTI,TDi
visionT1,TlocationTandTrequireTspecialTfittings.


WhatTwouldTyouTuseTinTaTcapacitiveTreactanceTcircuitTtoTbalanceTtheTci
rcuit?T-TCorrectTAnswer-inductor


WhichTofTtheTfollowingTNEMATratingTshouldTbeTusedTforTtemporaryTco
nstructionTpowerTenclosuresToutside?T-TCorrectTAnswer-
CorrectTanswer:TNEMAT3RT
AdditionalTNotes:TEnclosuresTwithTaTNEMATratingTofT3RTisTdesignedTfor
TindoorTorToutdoorTuse.TEnclosuresTwithTratingsTofT1,T2,TorT12TareTdesig

nedTforTindoorTuseTonly.


WhatTisTtheTfull-loadTcurrentTratingTofTaT208-volt,T50-
horsepower,Tthree-phaseTsquirrel-cageTmotor?T-TCorrectTAnswer-
CorrectTanswer:T103TampsT