NCCER EXAM WITH FULL PACK SOLUTIONS
1.The lNEC lrecommends lmaintaining lvoltage lwithin la l3% ldrop. lIf la lbranch
lcir- lcuit loperates lat l240 lvolts lAC. lWhat lis lthe lminimum lcircuit loperating
lvolt?: l232
2.What lis lthe lname lof lthe lconnecting ldevice lshown lin lthe ldiagram?: lSplit-
bolt
3.The lvolt lamperes lin lan lAC lcircuit lis lthe lsame las: lApparent lpower
4.What lis lthe lvoltage ldrop lfor la l#8 l(16.510 lcmil) lcopper lwire lat l120v. l215
lfeet lone lway land la lload lof l39amps?: l10.5
5.If la lvoltage lsource lof la lcircuit lprovides l240 lvolts land lthere lare l5 lohms
lof lresistance, lhow lmuch lcurrent lis lin lthe lcircuit?: l48 lamps
6.What lshould lbe ldone lto lchange lrotation lof la l3 lphase lmotor?: lSwap lany
l2 lT lleads
7.What linstrument lis lused lto lmeasure lcurrent?: lAmmeter
8.Which lplan lindicates lthe llocation lof lstructures land lequipment lon la
lproper- lty?: lSite
9.Generally l, lthe lmost lideal lconductor lis lmade lof:: lCopper
10.What lis lthe lstandard lsize lsystem lused lin lthe lunited lstates?: lAWG
11.What lis linsulating ltape?: lNon-Conductive ladhesive ltape
12.Which lof lthese lis lused las la lguide lto lassist lcables lentering la lconduit?: l-
Piston
1 l/
l12
, 13.Which lof lthe lfollowing lis lnot la lreason lwhy lelectrical lsystems lmust
lbe lgrounded?: lLimit lthe lpotential lbetween lungrounded lconductors
14.What ltype lof lconduit lbody lis lcharacterized lby la lthreaded lstraight lhub
lon leach lend?: lC
15.A lmegger lwill lbe lused lto lcheck lan lin-service lcable. lThe lElectrician
lMUST lbe lsure lthat lthe lcircuit lis:: lDe-energized land llocked ltagged lout,
land ltested
16.Rubber lgloves lMUST lbe lelectrically ltested lat lMAXIMUM lintervals lof::
l6 lmonths
17.A ldangerously lhigh lvoltage lis lproduced lwhen lsomeone lopens lthe
lsec- londary lcircuit lof la:: lCurrent ltransformer
18.Which lchoice lbest ldescribes lthe ltwo ltypes lof lpushbutton loperators
ltypi- lcally lused lin lmotor lcontrols: lOpen land lclosed
19.In lthe levent lof lan lemergency lwhere lthe llockout/ ltagout ldevice lis lleft
lsecured, lwho lcan lremove lthe llockout/tagout ldevice?: lAuthorized
lsupervisor
20.A ldrawing lshowing la lpoint lA lto lpoint lB lhookup lof lconductors lis
lcalled la:: lWiring ldiagram
21.A lNEMA ltype enclosure lis lboth lwatertight land lcorrosion- lresistant.: l4X
22.What's lthe lMAIN lcharacteristic lof la lconfined lspace?: lLimited laccess
land legress
23.Which lof lthe lfollowing lBEST ldescribes lwhere lthe ltype land lsize lof
lovercur- lrent lprotection lis lfound?: lPanelboard lschedule
2 l/
l12
1.The lNEC lrecommends lmaintaining lvoltage lwithin la l3% ldrop. lIf la lbranch
lcir- lcuit loperates lat l240 lvolts lAC. lWhat lis lthe lminimum lcircuit loperating
lvolt?: l232
2.What lis lthe lname lof lthe lconnecting ldevice lshown lin lthe ldiagram?: lSplit-
bolt
3.The lvolt lamperes lin lan lAC lcircuit lis lthe lsame las: lApparent lpower
4.What lis lthe lvoltage ldrop lfor la l#8 l(16.510 lcmil) lcopper lwire lat l120v. l215
lfeet lone lway land la lload lof l39amps?: l10.5
5.If la lvoltage lsource lof la lcircuit lprovides l240 lvolts land lthere lare l5 lohms
lof lresistance, lhow lmuch lcurrent lis lin lthe lcircuit?: l48 lamps
6.What lshould lbe ldone lto lchange lrotation lof la l3 lphase lmotor?: lSwap lany
l2 lT lleads
7.What linstrument lis lused lto lmeasure lcurrent?: lAmmeter
8.Which lplan lindicates lthe llocation lof lstructures land lequipment lon la
lproper- lty?: lSite
9.Generally l, lthe lmost lideal lconductor lis lmade lof:: lCopper
10.What lis lthe lstandard lsize lsystem lused lin lthe lunited lstates?: lAWG
11.What lis linsulating ltape?: lNon-Conductive ladhesive ltape
12.Which lof lthese lis lused las la lguide lto lassist lcables lentering la lconduit?: l-
Piston
1 l/
l12
, 13.Which lof lthe lfollowing lis lnot la lreason lwhy lelectrical lsystems lmust
lbe lgrounded?: lLimit lthe lpotential lbetween lungrounded lconductors
14.What ltype lof lconduit lbody lis lcharacterized lby la lthreaded lstraight lhub
lon leach lend?: lC
15.A lmegger lwill lbe lused lto lcheck lan lin-service lcable. lThe lElectrician
lMUST lbe lsure lthat lthe lcircuit lis:: lDe-energized land llocked ltagged lout,
land ltested
16.Rubber lgloves lMUST lbe lelectrically ltested lat lMAXIMUM lintervals lof::
l6 lmonths
17.A ldangerously lhigh lvoltage lis lproduced lwhen lsomeone lopens lthe
lsec- londary lcircuit lof la:: lCurrent ltransformer
18.Which lchoice lbest ldescribes lthe ltwo ltypes lof lpushbutton loperators
ltypi- lcally lused lin lmotor lcontrols: lOpen land lclosed
19.In lthe levent lof lan lemergency lwhere lthe llockout/ ltagout ldevice lis lleft
lsecured, lwho lcan lremove lthe llockout/tagout ldevice?: lAuthorized
lsupervisor
20.A ldrawing lshowing la lpoint lA lto lpoint lB lhookup lof lconductors lis
lcalled la:: lWiring ldiagram
21.A lNEMA ltype enclosure lis lboth lwatertight land lcorrosion- lresistant.: l4X
22.What's lthe lMAIN lcharacteristic lof la lconfined lspace?: lLimited laccess
land legress
23.Which lof lthe lfollowing lBEST ldescribes lwhere lthe ltype land lsize lof
lovercur- lrent lprotection lis lfound?: lPanelboard lschedule
2 l/
l12
