Electrical NCCER test QUESTIONS WITH
100% CORRECT ANSWERS.
In ha hguardrail hsystem, hthe hguardrails hcan hbe hmade hof hany hof hthe hfollowing
hEXCEPT: h- hANS-ropebanding
If hthe hpotential hacross hthe hcircuit his h48 hvolts hand hthe hcurrent his h5 hamps hthe
hresistance hof hthe hcircuit his: h- hANS-9.6 hohms
A hUL hlisted hrod htype hgrounding helectrode hmust hhave ha hminimum hlength hof: h-
hANS-8'
What his hthe hMINIMUM hnumber hof hoverload hsensing hunits hrequired hfor hall hthree
hphase hmotors? h- hANS-3
In ha hcircuit hof hpure hcapacitance, hthe hcurrent hleads hthe hvoltage hby han hangle hof: h-
hANS-90-degrees
The hstandard hunit hfor ha hmeasuring hthe hcross-sectional harea hof ha hwire his hthe: h-
hANS-circular hmil
The hdrawing hscale his hMOST hlikely hto hbe hfound hin hwhich hof hthe hfollowing hdrawing
hlocations? h- hANS-the hdrawing hlittle hblock
The hlength hof ha hbare hcopper hconductor hin ha hground hring hMUST hbe hburied hno
hless hthan h2.5' hbelow hgrade hand hwith ha hlength hof hat hleast: h- hANS-20 hft.
When hinstalling hheating hcables hfor hanti-icing hsystems, hcable hpatters hshould hbe hin
ha: h- hANS-Serpentine
An hauxiliary hholding hcontact h(seal-in) hon ha hNEMA hstarter his hindicated hby hthe
hterminal hmarking: h- hANS-A1 h& hA2
The hneutral hbus hin ha hsub hpanel: h- hANS-is hbonded
The hPEAK hvoltage hin ha hnominal h120/208 hVAC hsystem his: h- hANS-208V.
THWN hconductors hhave han houter hjacket hmade hof: h- hANS-nylon
, What his hshown hon ha hsectional hdrawing? h- hANS-Cutaway hview hof ha hbuilding
Who his hallowed hto hremove hanother helectrician's htag hor hlock hfrom hany hvalve,
hswitch, hor hpiece hof hequipment hwithout hproper hauthorization? h- hANS-no hone.
The hMAIN hpurpose hof ha hrevision hblock hon han helectrical hdrawing his hto: h- hANS-
note hany hchanges hto hthe horiginal hdrawings
Which hof hthe hfollowing his hthe hclassified hlocation hwhere hcombustible hvapors hare
halways hpresent? h- hANS-class hI hDiv hI
With ha hrow hof h3-4" hconduits hand hsecond hrow hof h3-2" hand h2-1" hconduits hfor han
hangle hpull hbox hwhat his hthe hMINIMUM hdistance hbetween hthe hopposite hwalls hof
hthe hpull hbox? h- hANS-32"
Exposed hfield-routed helectrical hconduit hSHOULD hbe hinstalled hso hthat hit: h- hANS-is
hplumb hand hlevel
When hwiring hcontrol hpush hbutton hcontrol hcircuit, hthe hauxiliary hholding hcontact
h(seal-in) his hwired hwith hthe hstart hbutton hin: h- hANS-parallel
Ferrous hmetal hraceways, hboxes, hfittings, hand hsupports hmust hbe hprotected hagainst:
h- hANS-corrosion
Which hof hthe hfollowing hfactors his hused hto hcontrol hthe hspeed hof han hinduction
hmotor? h- hANS-Frequency
Electrical hhand htools hthat huse ha hregular h120-volt hsystem hMUST hbe h3-wire
hgrounded hUNLESS hthe: h- hANS-tool his hdouble-insulated hand his happroved hby han
hindependent htesting hfacility.
A hconductor hwith h220 hmils hof hinsulation hwould hhave hinsulation hthickness hof: h-
hANS-0.22"
What his hthe hpurpose hof hsealing hcable hends hthat hare hin hstorage? h- hANS-to hkeep
hmoisture hfrom hentering hit
Which hone hof hthe hfuses his ha hstandard hsize haccording hto hthe hNEC? h- hANS-3
A h1000 hKVA hthree hphase htransformer hhas ha hsecondary hvoltage hof h208/120. hWhat
his hthe hsecondary hfull hload hamperage? h- hANS-
A hmegohmmeter hwill hbe hused hto hcheck ha hcable. hThe helectrician hMUST hbe hsure
hthat hthe hcircuit his h- hANS-de-energized hand hlocked, htagged hout, hand htested.
100% CORRECT ANSWERS.
In ha hguardrail hsystem, hthe hguardrails hcan hbe hmade hof hany hof hthe hfollowing
hEXCEPT: h- hANS-ropebanding
If hthe hpotential hacross hthe hcircuit his h48 hvolts hand hthe hcurrent his h5 hamps hthe
hresistance hof hthe hcircuit his: h- hANS-9.6 hohms
A hUL hlisted hrod htype hgrounding helectrode hmust hhave ha hminimum hlength hof: h-
hANS-8'
What his hthe hMINIMUM hnumber hof hoverload hsensing hunits hrequired hfor hall hthree
hphase hmotors? h- hANS-3
In ha hcircuit hof hpure hcapacitance, hthe hcurrent hleads hthe hvoltage hby han hangle hof: h-
hANS-90-degrees
The hstandard hunit hfor ha hmeasuring hthe hcross-sectional harea hof ha hwire his hthe: h-
hANS-circular hmil
The hdrawing hscale his hMOST hlikely hto hbe hfound hin hwhich hof hthe hfollowing hdrawing
hlocations? h- hANS-the hdrawing hlittle hblock
The hlength hof ha hbare hcopper hconductor hin ha hground hring hMUST hbe hburied hno
hless hthan h2.5' hbelow hgrade hand hwith ha hlength hof hat hleast: h- hANS-20 hft.
When hinstalling hheating hcables hfor hanti-icing hsystems, hcable hpatters hshould hbe hin
ha: h- hANS-Serpentine
An hauxiliary hholding hcontact h(seal-in) hon ha hNEMA hstarter his hindicated hby hthe
hterminal hmarking: h- hANS-A1 h& hA2
The hneutral hbus hin ha hsub hpanel: h- hANS-is hbonded
The hPEAK hvoltage hin ha hnominal h120/208 hVAC hsystem his: h- hANS-208V.
THWN hconductors hhave han houter hjacket hmade hof: h- hANS-nylon
, What his hshown hon ha hsectional hdrawing? h- hANS-Cutaway hview hof ha hbuilding
Who his hallowed hto hremove hanother helectrician's htag hor hlock hfrom hany hvalve,
hswitch, hor hpiece hof hequipment hwithout hproper hauthorization? h- hANS-no hone.
The hMAIN hpurpose hof ha hrevision hblock hon han helectrical hdrawing his hto: h- hANS-
note hany hchanges hto hthe horiginal hdrawings
Which hof hthe hfollowing his hthe hclassified hlocation hwhere hcombustible hvapors hare
halways hpresent? h- hANS-class hI hDiv hI
With ha hrow hof h3-4" hconduits hand hsecond hrow hof h3-2" hand h2-1" hconduits hfor han
hangle hpull hbox hwhat his hthe hMINIMUM hdistance hbetween hthe hopposite hwalls hof
hthe hpull hbox? h- hANS-32"
Exposed hfield-routed helectrical hconduit hSHOULD hbe hinstalled hso hthat hit: h- hANS-is
hplumb hand hlevel
When hwiring hcontrol hpush hbutton hcontrol hcircuit, hthe hauxiliary hholding hcontact
h(seal-in) his hwired hwith hthe hstart hbutton hin: h- hANS-parallel
Ferrous hmetal hraceways, hboxes, hfittings, hand hsupports hmust hbe hprotected hagainst:
h- hANS-corrosion
Which hof hthe hfollowing hfactors his hused hto hcontrol hthe hspeed hof han hinduction
hmotor? h- hANS-Frequency
Electrical hhand htools hthat huse ha hregular h120-volt hsystem hMUST hbe h3-wire
hgrounded hUNLESS hthe: h- hANS-tool his hdouble-insulated hand his happroved hby han
hindependent htesting hfacility.
A hconductor hwith h220 hmils hof hinsulation hwould hhave hinsulation hthickness hof: h-
hANS-0.22"
What his hthe hpurpose hof hsealing hcable hends hthat hare hin hstorage? h- hANS-to hkeep
hmoisture hfrom hentering hit
Which hone hof hthe hfuses his ha hstandard hsize haccording hto hthe hNEC? h- hANS-3
A h1000 hKVA hthree hphase htransformer hhas ha hsecondary hvoltage hof h208/120. hWhat
his hthe hsecondary hfull hload hamperage? h- hANS-
A hmegohmmeter hwill hbe hused hto hcheck ha hcable. hThe helectrician hMUST hbe hsure
hthat hthe hcircuit his h- hANS-de-energized hand hlocked, htagged hout, hand htested.
