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THE ELECTRICAL NCCER TEST EXAM
WITH VERIFIED SOLUTIONS
Which nArticle nof nthe nNEC ncovers ngrounding? n- ncorrect nanswers n-article n 250 Which nof nthe nfollowing nis na n 90 ndegree, nexplosion nproof nfitting? n- ncorrect nanswers n-GUAL What nis na ndropout nplate? n- ncorrect nanswers n-Metal nplate nwith na ncurved nsurface nfor ncable nto nfollow nas nit npasses nfrom nthe ntray All nof nthe nfollowing nare ncommon nservice nvoltages nin nthe nUnited nStates nEXCEPT: n- ncorrect nanswers n-372/575 n3-PHASE, n4-WIRE What ndoes na nGFCI nbreaker ndo? n- ncorrect nanswers n-Opens na ncircuit nto nprevent noperation nof nan nelectrical ndevice
What nwill nhappen nwhen none nor nmore ncoils nin na nwinding nare ngrounded? n- ncorrect nanswers n-The nmotor nwill nautomatically nblow nfuses Eight nincandescent nlighting nfixtures nare nto nbe ninstalled. nEach nfixture nis n120- nvolts, nwith na n200-watt nlamp. nWhat nis nthe ntotal nconnected nload? n- ncorrect nanswers n-13.3 namps The nmust nbe ngrounded nin na nbussed ngutter nif nused nas nthe nmain nservice nequipment. n- ncorrect nanswers n-Neutral nbusbar When nwall nmounting ncable ntray, nensure nthat n- ncorrect nanswers n-The nbuilding nstructure nis nstrong nenough nto nsupport nthe ntray nsystem The npurpose nof nsealing ncable nends nwhen nreels nof ncable nare nin nstorage nis n- ncorrect nanswers n-To nkeep nmoisture nfrom ncreeping nin The nouter ncovering non nliguid-tight nflexible nmetal nconduit nis nused nfor n- ncorrect nanswers n-A nmoisture nseal A ngood nelectrical nconnection nshould n- ncorrect nanswers n-Be nmechanically nand nelectrically nsecure The nsymbol nnormally nused nfor nduplex n- ncorrect nanswers n-Circle nwith ntwo nparallel nlines ndrawb nthrough nit Disconnecting nmeans nare ncovered nin n- ncorrect nanswers n-NEC nSection n110- In nrelation nto nswitches, nthe nterm nthrow nrefers nto nthe n- ncorrect nanswers n-Number nof ninternal noperations nthat na nswitch ncan nperform A n3-phase, n4-wire, n480v nservice nrequires n______ ncurrent ntransformer(s) n- ncorrect nanswers n- Services nconductors nand nequipment nare ncovered nin n- ncorrect nanswers n-NEC nArticle n 230 The nNEC nrequired nthat nall nreceptacles ninstalled non n 25 namp nand n 20 namp nbranch ncircuits nbe n______ nreceptacles n- ncorrect nanswers n-Grounding A ntransformer nwith nthe nprimary nof n 400 nturns nand na nsecondary nof n 300 nturns nhas na n_____ n- ncorrect nanswers n-Step-down nturns nratio nof n4: The ncircular nmil nis nbased non nthe n- ncorrect nanswers n-Cross-sectional narea nof nthe nwire
The nsecondary nof na nCT nunder nload nshould nnot nbe nopened nbecause nof_. n- ncorrect nanswers n-Induced nhigh nvoltage In na ntransformer n______ n- ncorrect nanswers n-Electromagnetic nInduction nOcurs When na nground nrod nis ninstalled, nthe ntop nof nthe nrod nmust nbe npositioned n______ ngrade. n- ncorrect nanswers n-Flush nwith nor nbelow When nmaking noffset nbends, nthe ntwo nkicks nmust nbe nmade nperfectly nparallel nor nthe nresulting noffset nwill nhave na n_____ n- ncorrect nanswers n-Crooked nBend conduit nthat nrequires na n 90 ndegree nchange nin ndirection, nexcept n42.All nof nthe nfollowing ntypes nof ncondulet nmay nbe nused nas na npulling npoint nfor n_____ n- ncorrect nanswers n-C To nbe neffective, na ngrounding nsystem nmust nlimit nthe nvoltage non nthe nelectrical nsystem nand nprotect nit nfrom nall nof nthe nfollowing, nexcept n_____ n- ncorrect nanswers n-Undervoltage nconditions What nis nthe nMOST ncommon nservice nused nin na ntemporary npower npanel? n- ncorrect nanswers n-120/240 nvolt, n1-phase, n3-wire What nare nthe n 2 nMOST ncommon ntypes nof novercurrent nprotective ndevices? n- ncorrect nanswers n-Circuit nbreakers nand nfuses What ninstrument nis nused nto nperform nan ninsulation-resistance ntest non na n480- nvolt nmotor nwinding? n- ncorrect nanswers n-Megohmmeter Why nis na nseal ninstalled nin na nrun nof nconduit nin na nClass nI nlocation? n- ncorrect nanswers n-Prevent nthe npassage nof nexplosive ngases nin nthe nconduit Which nof nthe nfollowing nis nthe ncorrect nformula nfor nOHM's nlaw? n- ncorrect nanswers n-I=E/R Which nof nthe nfollowing ntesting ninstruments noperated non nthe ncurrent ntransformer nprinciple? n- ncorrect nanswers n-Clamp-on nammeter A n120/208 nvolt nfeeder nconsists nof nan n 800 nft nrun nof n 500 nkcmil naluminum nwire nin nconduit. nThis nfeeder nhas n5% nvoltage ndrop. nWhat nwill nthe nphase-to-phase nvoltage nbe nat nthe nload nend? n- ncorrect nanswers n-197.60 nvolts What nis nvoltage? n- ncorrect nanswers n-Electromotive nforce A ndrawing nshowing na npoint nA nto npoint nB nhookup nof nconductors nis ncalled na n- ncorrect nanswers n-Wiring ndiagram
What ndoes nHOA nusually nmean nin na nmotor ncontrol ncircuit? n- ncorrect nanswers n- Hands nof nAutomatic What nis nthe nstandard nwire nsize nsystem nused nin nthe nUnited nStates? n- ncorrect nanswers n-AWG A nswitch nlabeled n"AL-CU" ncan nbe nused nwith nwhat ntype nof nwire? n- ncorrect nanswers n-Aluminum nCopper nor nCopper nClad nAluminum What ntype nof nconduit nfitting nis nusually nplaced nin nthe nmiddle nof na nlong nrun nof nrigid nmetal nconduit nto nprovide naccess nfor npulling nwire? n- ncorrect nanswers n-C What nis nthe nlargest nsize nof naluminum nrigid nconduit ncouplings? n- ncorrect nanswers n-6" What nis nthe npurpose nof nthe nthermocouple? n- ncorrect nanswers n-To nmeasure ntemperature A nbrass-colored nterminal non na nreceptacle nindicates nthat nit nshould nbe nused nto nconnect nwhat ntype nof nwire? n- ncorrect nanswers n-Hot nwire What nis nthe nstandard nlength nof nrigid nconduit? n- ncorrect nanswers n-10 nFT An nangle nor nU-pull nis nmade nwith n 14 nwire nor nlarger. nThe ndistance nbetween neach nraceway nentry ninside nthe nbox nand nthe nany nless nthan nhow nmany ntimes nthe ntrade nopposite nwall nof nthe nbox nshall nNOT nbe ndiameter nof nthe nlargest nraceway? n- ncorrect nanswers n-6 ntimes Where nshould nstress ncone nbe nused? n- ncorrect nanswers n-High nVoltage nTermination A ncable nrated nfor n5KV ninsulation ncan nsafely ncarry nwhat nMAXIMUM nvoltage? n- ncorrect nanswers n-5,000 nvolts What nis nthe nPRIMARY nconsideration nin nselecting nthe nproper nrope nfor na ncable npull? n- ncorrect nanswers n-Safety Which nof nthe nfollowing nstatements ndescribes nthe noperating nfeatures nof na nthermal noverload nrelay? n- ncorrect nanswers n-The ngreater nthe noverload, nthe nshorter nthe ntime nof ntripping. Normally, nthe neasiest nplace nto nreverse nthe nleads nto nchange nthe ndirection nof nrotation nof na n3-phase nmotor nis nat nthe n- ncorrect nanswers n-Motor nStarter
A n10-inch noffset nat n 30 ndegrees nis nbeing nmade. nWhat nis nthe ndistance nbetween ncenter-to-center nbends? n- ncorrect nanswers n-20 ninches What nis nan nacceptable nprotection ntechniques nfor nelectrical nequipment nin nhazardous nlocations? n- ncorrect nanswers n-Use nduct-ignition nproof nequipment What ntest nor nequipment ncan nbe nused nto nlocate na nsuspected nshort ncircuit nin n1- nphase nof na n3-phase nmotor? n- ncorrect nanswers n-"megger" What nwill nhappen nif nmoisture nis ninside na ncadweld nmold nwhile nthe nweld nis nbeing nperformed? n- ncorrect nanswers n-The ncadweld nmold ncould nexplode What nis nproduced nin na nconduit nrun nby nmaking n 2 nequal nbends nin nopposite ndirection? n- ncorrect nanswers n-Offset 4 ninch nsquare nboxes nare navailable nwith nall nof nthe nfollowing ndepths nEXCEPT n- ncorrect nanswers n-1 ninch What nis ninstalled nat nan nexpansion njoint nto nprovide na ncontinuous nground nbetween n 2 nsections nof ncable ntray? n- ncorrect nanswers n-A nbonding njumper What ncolor nidentifies nan ninsulated, ngrounded nnumber n 4 nconductors? n- ncorrect nanswers n-Green Why nis nit nimportant nto ntorque nbolts nwhen nbusbars nare nconnected? n- ncorrect nanswers n-Decreases nresistance non nthe nconnection All nthe nfollowing nare nprotective ndevices nfor nmotors nEXCEPT n- ncorrect nanswers n- SOLENOID Service nconductors nare nsized nbased non nwhat nfactor? n- ncorrect nanswers n-The ntotal ncalculated nload nof nthe nbuilding A nholding ncontact nna nmotor nstarter nis nnormally nconnected nin nparallel nwith nthe n- ncorrect nanswers n-Start npush nbutton The nnumber nof ncomplete nAC ncycles nper nsecond nis ncalled nthe n- ncorrect nanswers n-Frequency Which nof nthe nfollowing ncomponents nis npart nof na ndual nelement nfuse n- ncorrect nanswers n-Rejection nclip The npotential nacross nthe ncircuit nis n 480 nvolts nand nthe ncurrent nis n 50 namps. nWhat nis nthe nresistance nof nthe ncircuit? n- ncorrect nanswers n-9.6 nohms
What nNEC ntable nindicates nthe nsize nof nservice nconductors? n- ncorrect nanswers n- Table n310- What ninstrument nis nused nto nmeasure nCURRENT? n- ncorrect nanswers n-Ammeter What nare nthe n 3 nelements nin nevery nelectrical ncircuit? n- ncorrect nanswers n-Power nsource, nswitch, nand nload How ndoes na nbattery nproduce nvoltage? n- ncorrect nanswers n-Chemical nreaction What ntype nof nNEMA nclass nenclosure nis napproved nfor ngeneral npurpose nindoor nuse nand nis nNOT ndust-tight nor ndrip-proof? n- ncorrect nanswers n-Types n 1 If na nvoltage nsource nof na ncircuit nprovides n 240 nvolts nand nthere nare n 5 nohms nof nresistance, nhow nmuch ncurrent nis nin nthe ncircuit? n- ncorrect nanswers n-40 namps An nanalog nvoltmeter nis nbeing nconnected nto na n 24 nV nDC ncircuit. nPolarity nis nreversed. nWhat nreading nwill noccur? n- ncorrect nanswers n-O nor nfewer nvolts How nshould npower ncable nand nsignal ncable nbe nplaced nin nthe nsame ncable ntray? n- ncorrect nanswers n-Place na ndivider nbetween nthe nsignal ncables nand nthe npower ncable What nare nthe n 2 nMOST ncommonly nused nmethods nof nterminating ngrounding? n- ncorrect nanswers n-Exothermic n(Cadwelding) nand nmechanical Copper nis nthe nmost nwidely nused nconductor nbecause nit. n- ncorrect nanswers n- Offers nlow nresistance nand nis neasy nto nuse The nforce nthat ncauses nelectrons nto nflow nis nmost ncommonly ncalled n- ncorrect nanswers n-Voltage A ndropout nplate nis nbest ndescribed nas na. n- ncorrect nanswers n-Plate nwith na ncurved nsurface nfor ncable nto nfollow nas nit npasses nfrom nthe ntray The n 2 nbasic ncable ntray nfailures nunder nload nare n_____ nfailures. n- ncorrect nanswers n-Side nrail nand nrung A nvoltage nof n 1 nvolt napplied nacross na nresistance nof n 1 nohm nproduces na ncurrent nof n 1 namp. nIf nthe nvoltage nis ndoubled nand nthe nresistance nis nhalved, nthen nthe ncurrent n- ncorrect nanswers n-Increases n 4 ntimes The nNEC nrequires nthat nswitch, nreceptacle, nand nfixture nboxes nbe n_with nthe nfinished nface nof nthe nwall nsurface nwhen ncombustible nmaterial, nsuch nas nply- nwood nor npaneling, nis nbeing nused n- ncorrect nanswers n-Mounted nflush
??? nare nintended nfor nthe nelectrical nprotection nof npersonnel. n- ncorrect nanswers n- GFCIS If na ncircuit nhas n 10 namps nof ncurrent nand n 12 nohms nof nresistance, nthe napplied nvoltage nis n- ncorrect nanswers n- A nType n?? nconduit nbody nhas na nthreaded nstraight nhub non neach nend nand nanother nthreaded nhub nperpendicular nto nthese ntwo. n- ncorrect nanswers n-T The ntest nleads nof na nmegger nshould nnever nbe ntouched nwhen nit nis nin nuse nbecause n- ncorrect nanswers n-The ngenerator nvoltage nis npresent non nthe ntest nleads nand ncould nresult nin nelectrical nshock The npurpose nof nan ninsulated nbushing nat nraceway ntermination npoints nis nto n- ncorrect nanswers n-Protect nthe nconductors nfrom nbeing ndamaged A nvoltmeter nis nconnected nin. n- ncorrect nanswers n-Parallel nwith nthe ncircuit Solid nbottom nmetal ncable ntray nwith nsolid nmetal ncovers nmay nbe nused nin n- ncorrect nanswers n-Environments nairways nexcluding nducts nand nplenums nfor nenvironmental nair The nindication nprovided nby na nvoltage ntester nrepresents n____ n- ncorrect nanswers n-That nthere nis na npotential ndifference nbetween n 2 npoints What ndoes na nwatt nmeter nindicate? n- ncorrect nanswers n-True npower When ntransporting nmetal nconduit, nit nis nimportant nto n- ncorrect nanswers n-Protect nthe nthreads nkeep nthe ncaps non nto nprevent nthread ndamage The nvoltage ndrop nof nconductors ncarrying nAC nin nPVC nconduit nwill nhave nwhat nrelation nto nthat nof nidentical nconductors nin nthe nconduit n- ncorrect nanswers n-The nsame Which nof nthe nfollowing nis nthe n"heating nelement" nin na nself- nregulating nheat ntrace? n- ncorrect nanswers n-Semiconducting ncore Intermediate nmetal nconduit n(IMC) nis na ntype nof nconduit nthat n- ncorrect nanswers n- Has na nwall nthickness nless nthan nthat nof nrigid nmetal nconduit nbut nthicker nthan nEMT According nto nOhm's nLaw, nthe namount nof ncurrent nin na ncircuit nis nequal nto nthe n- ncorrect nanswers n-Voltage ndivided nby nthe nresistance
The nvoltage nof na nDC ncircuit nto nbe nmeasured. nHow nshould nthe nmeter nbe nconnected nto nensure nproper npolarity? n- ncorrect nanswers n-The n(-)with nthe n(-) nand nthe n(+) nwith nthe n(+) Electrical nmetallic ntubing nmust nbe nsupported nwith nwhat nmaximum ndistance nfrom neach njunction nor noutlet nbox? n- ncorrect nanswers n-3ft What ntype nof nwire nis nstandard nfor nlow-voltage nmilliamp nsignal nsystem? n- ncorrect nanswers n-Single npair nshielded A n 3 nway nswitch, nis nwhat ntypeof nswitch/ n- ncorrect nanswers n-SPDT The nnumber nof ncomplete nAC ncycles nper nsecond nis ncalled? n- ncorrect nanswers n- Frequency All nof nthe nfollowing nare nfound non nan nelevation nview nof na nmotor ncontrol ncenter, nEXCEPT n- ncorrect nanswers n-LOCATION nOF nMOTOR What ncolor nwire nis nconnected nto nthe nsilver nscrew nin nan nincandescent nfixture? n- ncorrect nanswers n-White Receptacles nare nrated naccording nto nthe n- ncorrect nanswers n-Voltage nand namperage ncapacity The nrelationship nof na ntransformer nprimary nwinding nto nthe nsecondary nwinding nis nexpressed nin? n- ncorrect nanswers n-Turns nRatio What nis nthe nNEC nrequirement nfor nlabeling ndisconnects? n- ncorrect nanswers n-All ndisconnects ndevices nfor ncircuits, nfeeder, nand nequipment nmust nbe nclearly nand npermanently nmark Cable nmarkings nshow nall nof nthe nfollowing, nEXCEPT n- ncorrect nanswers n- AMPACITY The ndrawing nscale nis nmost nlikely nto nbe nfound nin nwhich nof nthe nfollowing ndrawing nlocation? n- ncorrect nanswers n-The ndrawing ntitle nblock What nitem nis nused nto nmake na n 90 ndegree nbend nwhen npulling nwire nin ncable ntray? n- ncorrect nanswers n-Cable nroller The nfirst nstep nin nmaking nan nexothermic n(cadweld) nconnections nis? n- ncorrect nanswers n-To nprepare nthe ncable, nmold, nand nwelding nmaterial In na nsine nwave, nthe nnumber nof ntimes nper nsecond nan nidentical npattern nitself nis nknown nas? n- ncorrect nanswers n-Frequency nof na nwaveform
What nis nthe ntypical nvoltage nof na ncontrol ntransformer nfor n3-phase, n 480 nvolt nstarter n- ncorrect nanswers n-110 nvolts Which nof nthe nfollowing ndetermines nthe npulling nforce napplied nto nthe ncable nwhen nusing na ntugger? n- ncorrect nanswers n-The nnumber nof nwraps non nthe ntugger ndrum What nis nthe nmaximum nallowance nfill nwhen ninstalling n 3 nor nmore nconductors nin na nconduit? n- ncorrect nanswers n-40% Which nof nthe nfollowing nconductors nhas nthe nleast nresistance? n- ncorrect nanswers n- 1/0 nawg All nthings nconsidered, nthe nmost nideal nconductor nis? n- ncorrect nanswers n-Сopper All nof nthe nfollowing napply nto nthe ninstallation nof njunction nboxes, nsplices nboxes, nand npull nboxes nexcept nthat nthey nmust nbe? n- ncorrect nanswers n-Metal A nbox nhas ntwo n12/2 nwith nground ncables nin nit, nall nlike-colored nwires nhave nbeen nspliced nand n"pigtail", nhow nmany n#12 nconductors nshould nbe ncounted nin nthe nbox nfill? n- ncorrect nanswers n- Which nof nthe nfollowing nabbreviations ndescribe nthe ninturrpting ncapacity nof na ncircuit nbreakers nof nfuses? n- ncorrect nanswers n-AMP What npart nof nthe nmotor nstarter nprotects nthe nmotor nif nthere nis na nproblem nin nthe nsystem? n- ncorrect nanswers n-Overload nrelay What nis nthe nvoltage ndrop nfor na n208V nsingle-phase ncircuit nwith na nload nof n 2615 namps, nusing n#8 ncopper nconductor n(16,510 ncircular nmil) nat na ncircuit nlength nof n145ft? n- ncorrect nanswers n-5. The npurpose nof na nrectifier nis nto n- ncorrect nanswers n-Convert nAC ninto nDC How nis na ntransformer nrated nfor npower noutput? n- ncorrect nanswers n-Volt-amperes Which nof nthe nfollowing nis nthe nmost nsevere nhazardous nclassification? n- ncorrect nanswers n-Class n1, ndivision n 1 What nis nthe nterm nfor na ntransformer nwhose nprimary nand nsecondary ncircuit nhave npart nof na nwinding nin ncommon? n- ncorrect nanswers n-The n 2 ncircuit nare nnot nisolated nfrom neach nother. nAuto ntransformer All nof nthe nfollowing nrating nappear non na ncircuit nbreaker nnameplate, nexcept n- ncorrect nanswers n-Rated nwattage
The ntrip nrating nof na ncircuit nbreaker nused nin nthe nmain nproctective ndevice nin na npanelboard ncannot nexceed? n- ncorrect nanswers n-The ntotal namp nof nthe nbranch nbreakers A ntransformer nhas na nturn nratio nof n5:1, nwhat nwill nbe nthe nvoltage non nthe nsecondary nif nprimary nvoltage nis n120v? n- ncorrect nanswers n-24 nvolts Which nof nthe nfollowing ntypes nare nraceways nis napproved nfor nuse nin nclass n 1 ndivision n 1 nhazardous nlocation? n- ncorrect nanswers n-Rigid nmetal nconduit Which nof nthe nfollowing nwould nbe nfound nin na nclass n 1 nlocation? n- ncorrect nanswers n-Three nthreads non nconduit nconnections The ndrawing nscale nis n(most) nlikely nto nbe nfound nin nwhich nof nthe nfollowing ndrawing nlocation? n- ncorrect nanswers n-The ndrawing ntitle nblock To nslightly nchange nelevation nof na ncable ntray n- ncorrect nanswers n-Swivel nplates Heat ntrace ncable nshould nnever ncross nitself nexcept? nwhen ncable nis n- ncorrect nanswers n-temperature nself nlimited When nclimbing na nscaffold nyou nneed? n- ncorrect nanswers n-Yo nyo When nyou ndouble nresistance nand namperage, nwhat nhappens nto nthe ncurrent? n- ncorrect nanswers n-Its nstays nthe nsame Which nof nthe nfollowing nshould nbe nused nto ncool ndry na ntransformer? n- ncorrect nanswers n-Fans Which nof nthe nfollowing nstatements nis n(true) nabout nintrinsically nsafe nequipment? n- ncorrect nanswers n-Such nequipment ncan nbe nused nin nhazardous nlocations Who nis nallowed nto nremove nanother nelectrician ntag nof nlock nfrom nany nvalve, nor npiece nof nequipment nwithout nproper ndocumentation nand napproval? n- ncorrect nanswers n-No none The nminimum nacceptable nDC nmegohms nresistance nof na n 4160 nvolt nmotor nis napproximately n- ncorrect nanswers n-4.2 nMegohms Which nof nthe nfollowing nstatements nabout na nservice nneutral nconductor nis n(true)? n- ncorrect nanswers n-It nmay nbe nsmaller nthan nthe nungrounded nconfuctors nshould nbe nlarger nthan nthe nundergrounded nconductors How nare nprimary nleads nidentified nin na ntransformer? n- ncorrect nanswers n-H1, nH2, nH
What nare nthe n 3 nelements nin nevery nelectrical ncircuit? n- ncorrect nanswers n-Power nsource, nwire, nand nload What nare nthe n 2 nmost ncommonly nused nmethods nof nterminating ngrounding? n- ncorrect nanswers n-Exothermic n(caldwelding) nand nmechanical Chico nsealing ncompound nis nto nbe napplied nin nan nEYD nfitting, nthe nelectrician nmust nmake nsure nthat? n- ncorrect nanswers n-The ndrain nremains nclear The npoint nof nattachment nof nservice ndrop nconductors n(must) nprovide nminimum nclearance nas nspecified nin nwhat nNEC ntable? n- ncorrect nanswers n-230- The ncolor nof nthe nouter nfinish nrequired nto nmark na nphase nbusbar nor nthe nconductor nhaving nthe nhigher nvoltage nto nground nis? n- ncorrect nanswers n-Orange How ndoes na nbattery nproduce nvoltage? n- ncorrect nanswers n-By nchemical nreaction Which nof nthe nfollowing nshould nbe nused nto ncool ndry na ntransformer? n- ncorrect nanswers n-Fans What ndoes nthermal noverload nprotect nin na nstarter nor nMCC? n- ncorrect nanswers n- The nMotor How nare nthe nprimary nleads nidentified nin na ntransformer? n- ncorrect nanswers n-H1, nH2, nH What ntest nequipment ncan nbe nused nto nlocate na nsuspected nshort ncircuit nin none nphase nof na n3phase nmotor? n- ncorrect nanswers n-Megger Normally nyou nwould nneed nall nof nthe nfollowing nin na nwire npull noperation nEXCEPT? n- ncorrect nanswers n-Scaffolding Which nof nthe nfollowing ncomponents nis npart nof na nDUAL nELEMENT nFUSE? n- ncorrect nanswers n-Time nDelay A nholding ncontact nin na nmotor nstarter nnormally nconnected nin nparallel nwith? n- ncorrect nanswers n-The nstart npush nbutton The npotential nacross nthe ncircuit nis n 480 nvolts nand nthe ncurrent nis n 50 namps, nwhat nis nthe nresistance nof nthe ncircuit? n- ncorrect nanswers n-9.6 nohms A ndevice nlabeled nCO/ALR ncan nbe nused nwith n______ nwire. n- ncorrect nanswers n- Aluminum, ncopper, nor ncopper-clad naluminum Specific ndata nfor na nhazardous nmaterial nis nfound nin? n- ncorrect nanswers n-The nMSDS
The ntype nand nsize nof novercurrent nprotection nmay nbe nfound nin nthe n- ncorrect nanswers n-Panelboard nschedule The nrequirements nand nproper napplications nof nboxes nand nfittings ncan nbe nfound nin n- ncorrect nanswers n-NEC nSection n300- After na nhazard nreview nis ncompleted, n________ ndetermine(s) nthe nclassification nof na nconfined nspace nas na nnonpermit nor npermit-required nconfined nspace n- ncorrect nanswers n-The nsupervisor nand nproject/safety nmanagers When nbusbars nare nsecured nto nwithstand nthe ntorque ncreated nby nthe navailable namount nof nshort ncircuit ncurrent, nthey nare nsaid nto nbe? n- ncorrect nanswers n- Braced It nis nnot na ngood nidea nto nuse nneedle-nose npliers nto nbend nwire nin npreparation nfor na ntermination nbecause? n- ncorrect nanswers n-Gripping nthe nconductor nand nbending nit nwith nneedle-nose npliers ncan nscar nor nweaken nthe nconductor The ncorrect nreceptacle nterminal nand nwire ncolor ncode nis? n- ncorrect nanswers n- Green nterminal- nground nwire, nsilver-white nconductor, nbrass-black nconductor A nsectional ndrawing nis na? n- ncorrect nanswers n-Cutaway nview nof na nbuilding nor nobject When nsplicing nsmall nsizes nstranded nconductors nusing ncrimp-type nconnectors n______ nmay nbe na nproblem n- ncorrect nanswers n-Lost nstrands Where nseveral nconductors nare npulled ntogether, nthey nshould nbe narranged n______ non nthe nfish ntape. n- ncorrect nanswers n-Staggered Of nthe n 16 nusual ndivisions nfound nin nwritten nspecifications, nDivision_deals nmainly nwith nelectrical nwork. n- ncorrect nanswers n- The nNEC nstates nthat? n- ncorrect nanswers n-All ndisconnect ndevices nfor ncircuits, nfeeders, nand nequipment nmust nbe nclearly nand npermanently nmarked nto nshow ntheir npurpose nunless nclearly nevident Staggered nUtility nmetering nequipment nis nused nto_____ nof nan nelectrical nservice. n- ncorrect nanswers n-Measure nthe npower nconsumption _____ nconduit nis ntoo nthin nto nbe nthreaded. n- ncorrect nanswers n-EMT Before na nsplice nor nconnection ncan nbe nmade nto na nType nTHHN nconductor, nthe n______ n- ncorrect nanswers n-Conductor nends nmust nbe nstripped nand ncleaned
When nusing na nstraight nladder, nthe nside nrails nshould nextend nat nleast______above nthe ntop nsupport npoint. n- ncorrect nanswers n-36 ninches The nnumber nof nwraps non nthe n_____ ndecides nthe namount nof nforce napplied nto nthe npull. n- ncorrect nanswers n-Puller ndrum n(capstan) The nprimary nadvantage nof nusing nrecording ninstruments nis nthat nthey? n- ncorrect nanswers n-Can nbe nconnected nto ntake nand nrecord ncontinuous nmeasurements Cable nsplice nare nallowed nin ncable ntray nsystems nprovided nthey nare? n- ncorrect nanswers n-Made nand ninsulated nby nNEC napproved nmethods The nmaximum npull nthat nshould nbe nexerted non ncables nbeing npulled nin ntray nwhen nusing na nbasket ngrip nis n_____ npounds. n- ncorrect nanswers n-1, The nabbreviation nfor nan nentrance nell n(elbow) n- ncorrect nanswers n-SLB The nouter nshielding nin na nhigh nvoltage ncable nis nbest ndescribed nas_. n- ncorrect nanswers n-A nsemi-conductive nlayer nunder na nmetallic nlayer The nbest napplication nfor na nshaded npole nmotor nis. n- ncorrect nanswers n-Small nfans The ndifference nbetween nthe nsynchronous nspeed nand nthe nspeed nof nthe nrotor nin nan ninduction nmotor nis nknown nas? n- ncorrect nanswers n-Slip The namount nof npulling nforce nwith n 3 nwraps nand n 10 npounds nof noperator nforce nis n???? npounds. n- ncorrect nanswers n- Portable nelectric nhand ntools naccount nfor na nlarger nnumber nof nelectrical nshock ninjuries. nThe nmajority nof nthese nof naccidents ncould nhave nbeen nprevented nby n- ncorrect nanswers n-Proper ngrounding nof ntools The nmaximum nnumber nof ncurrent ncarrying nconductors nat nåny ncross nsection nof na nwireway nis? n- ncorrect nanswers n- In nAC ncircuits ncontaining nonly nresistance n____ n- ncorrect nanswers n-All nDC nrules nand nlaws napply, nincluding nOhm's nlaw nand nKirchoff's nlaw The ntough nouter ncovering nfor nmechanical nprotection nof ncable nis ncalled nthe n- ncorrect nanswers n-Jacket In nan ninductive ncircuit, nthe ncurrent n 180 ndegree nis. n- ncorrect nanswers n- Inductance n______ n- ncorrect nanswers n-Opposes nany nchanges nin ncircuit ncurrent
Electric nheåt ntracing nof npipelines nis ndone nfor nall nof nthe nfollowing nreasons nEXCEPT? n- ncorrect nanswers n-To neliminate nstandard nthermal ninsulation If nthe noriginal nrubber ninsulation non na nstraight nsplice nwas n" nthick, nwhat nis nthe nminimum nsize nthat nit nshould nbe nafter nit nis nbuilt nup? n- ncorrect nanswers n-3/8" The naverage nvoltage nvalue nin na ncircuit nwjth na npeak nvoltage nof n170V nis? n- ncorrect nanswers n-108V A ngrounding nelectrode nconductor nmust nbe nconnected n_____ nof na nmain ndistribution npanel. n- ncorrect nanswers n-To nthe nneutral nterminal nbus Rod, npipe, nand nplate nelectrodes nmust nhave na nresistance nto nground nof n_____ nohms nor nless. n- ncorrect nanswers n- Which nof nthe nfollowing nbest ndescribes na nhigh nvoltage ntermination? n- ncorrect nanswers n-An ninsulator In nunlike nwound ntransformers, nthe nprimary nand nsecondary nvoltages nare? n- ncorrect nanswers n-180 ndegrees nout nof nphase A ntransformer nwith n 100 nturns nin nits nprimary ncoil nand n 10 nturns nin nits nsecondary ncoil nis na_ ntransformer. n- ncorrect nanswers n-Step-down The nFLA nrating nof na nmotor nwill nbe nfound non nthe. n- ncorrect nanswers n-Nameplate If nthe nfrequency nof nan nAC ncircuit nis n 15 ncycles nper n 4 nsecond, nthe nhertz nrating nof nthe ncircuit nis n- ncorrect nanswers n-60HZ A nquick ntest nthat ncan nbe nmade nto ndetermine nif nan ninstallation nis ngood nis nknown nas na(n) n_ ntest. n- ncorrect nanswers n-Go/No nGo The nmost ncommon nservices nfactor nappearing non na nmotor's nnameplate nis n- ncorrect nanswers n-1. All nof nthe nfollowing nconnectors nmay nbe nused nfor nsplicing nhigh nvoltage ncable nEXCEPT? n- ncorrect nanswers n-Split-bolt nconnectors The nself ninduced nvoltage nacross nan ninductance nL nis nproducéd nby na nchange nin ncurrent nwith nrespect nto n- ncorrect nanswers n-Time
