Electrician NCCER ACTUAL EXAM ALL QUESTIONS AND WELL ELABORATED ANSWERS TOP RATED VERSION FOR ALREADY A+ GRADED HIGHLY RECOMMENDED |NEW AND REVISED

Electrician NCCER ACTUAL EXAM
ALL QUESTIONS AND WELL
ELABORATED ANSWERS TOP RATED
VERSION FOR ALREADY A+ GRADED
HIGHLY RECOMMENDED |NEW AND
REVISED
1. WhichmarticlemofmthemNECmcoversmgrounding?m-mCORRECTmANSWERmArticlem250



2. Whatmismamdropoutmplate?m-
mCORRECTmANSWERmMetalmplatemwithmamcurvemsurfacemformcablemtomfollowmasmitmpassesmf


rommthemtray



3. AllmofmthemfollowingmaremcommonmservicemvoltagesminmthemUnitedmStatesmExcept:m-
mCORRECTmANSWERm372/575m3-Phase,m4-wire




4. WhatmdoesmamGFCImbreakermdo?m-
mCORRECTmANSWERmOpensmamcircuitmtompreventmoperationmofmanmelectricalmdevice




5. Whatmwillmhappenmwhenmonemormmoremcoilsminmamwindingmaremgrounded?m-
mCORRECTmANSWERmThemmotormwillmautomaticallymblowmfuses




6. eightmincandescentmlightingmfixturesmaremtombeminstalled.mEachmfixturemism120mvolts,mwithm
am200-whattmlampmwhatmismthemtotalmconnectedmload?m-mCORRECTmANSWERm13.3mAmps



7. Them__________mustmbemgroundedminmambussedmgluttermifmusemasmthemmainmservicemequi
pmemtm-mCORRECTmANSWERmNeutralmbusbar

,8. Whenmwallmmountingmcablemtray,mensuremthatm-
mCORRECTmANSWERmThembuildingmstructuremismstrongmenoughmtomsupportmthemtraymsyste


m



9. Thempurposemofmsealingmcablemendsmwhenmreelsmofmcablemareminmstoragemism___________
___m-mCORRECTmANSWERmtomkeepmmoisturemfrommcreepingmin



10. Themoutermcoveringmonmliquid-tightmflexiblemmetalmconduitmismusemform-
mCORRECTmANSWERmAmmoisturemseal




11. Amgoodmelectricalmconnectionmshouldm-
mCORRECTmANSWERmBemmechanicallymandmelectricallymsecure




12. Themsymbolmnormallymusemformduplexm-
mCORRECTmANSWERmCirclemwithmtwomparallelmlinesmdrawmthroughmit




13. Disconnectingmmeansmaremcoveredminm-mCORRECTmANSWERmNECmsectionm110-22



14. Inmrelationmtomswitches,mthemtermmthrowmrefersmtomthem-
mCORRECTmANSWERmNumbermofminternalmoperationsmthatmswitchmcanmperform




15. Am3-phase,m4-wire,m480vmservicemrequiresm________mcurrentmtransformersm-
mCORRECTmANSWERm3




16. Servicesmconductorsmandmequipmentmaremcoveredminm-
mCORRECTmANSWERmNECmArticlem230




17. ThemNECmrequiredmthatmallmreceptaclesminstalledmonm25mampmandm20mampmbranchmcircuits
mbe__________mreceptaclesm-mCORRECTmANSWERmGrounding

,18. Themcircularmmilmismbasedmonmthem-mCORRECTmANSWERmCross-sectionalmareamofmthemwire



19. Amtransformermwithmthemprimarymofm400mturnsmandmamsecondarymofm300mturnsmhasmam-
mCORRECTmANSWERmStepmdownmturnsmratiomofm4:3




20. Ofmthemterminationmclassesmlistedmbelow,_____mismthemonlymonemthatmprovidesmamsealmaga
instmexternalmelementsm-mCORRECTmANSWERmClassm1



21. Unlessmotherwisemnoted,mthemcalculationsminmACmcircuitsm______mvaluesm-
mCORRECTmANSWERmRms




22. Whenmthemcoilmturnsmincreasedmthem________m-
mCORRECTmANSWERmInducedmvoltagemismincreased




23. Asmthemtemperaturemsurroundingmamselfmregulatingmheatingmcablemrises,mthem________m-
mCORRECTmANSWERmResistancemofmthempolymericmcoremincreases




24. Themmotormtypemthatmhasmthemhighestmstartingmtorquemismthem_________mmotorm-
mCORRECTmANSWERmCapacitorm-mstart




25. Formamgivenmnumbermofmpoles,mthe________mdeterminesmthemspeedmofmanmACmMotor.m-
mCORRECTmANSWERmFrequency




26. Bothminductionmandmsynchronousmmotormoperatemonmthemprinciplemofmthemrotating_____
___fieldm-mCORRECTmANSWERmMagnetic

, 27. AmTransformermhasm200mturnsminmthemprimary,m150mturnsminmthemsecondary,mandm120VACm
appliedmtomthemprimary.mThemvoltagemacrossmthemsecondarymism-
mCORRECTmANSWERm90mVolts




28. Themoutputmcapacitymofmammotormismratedminm-mCORRECTmANSWERmHorsepower



29. Themsynchronousmspeedmatmwitcham4mpole,m60mHzminductionmmotormoperatesmism_______
_mrpmm-mCORRECTmANSWERm1800



30. Themsinemofm0mdegreemism-mCORRECTmANSWERm0



31. InmamACmcircuitmcontainingmresistancemonly,m_______m12Amwillmflowmifmthemresistancemism10
mohmsmandmthemvoltagemism120Vm-mCORRECTmANSWERm12A




32. Them_____mrotormtypesmaremgenerallymruggedm-mCORRECTmANSWERmSquirrelmcage



33. Themcomponentemlabeledm7minmfigurem1mismam(an)m-mCORRECTmANSWERmEndmseal



34. MetersmusedminmACmcircuitsmindicatemthe_______m-mCORRECTmANSWERmEffective



35. Proofsmtestsmaremmademat________moFmthemoriginalmfactorymvoltagem-
mCORRECTmANSWERm60%




36. Whichmtypemofmheatingmcablemcanmnotmbemcutmandmterminatedminmthemfield?m-
mCORRECTmANSWERmMineralminsulated




37. ThemsecondarymofmamCTmundermloadmshouldmnotmbemopenedmbecausemof______m-
mCORRECTmANSWERmInducedmhightmvoltage