MODULE 8 FINAL EXAM Q AND A

26305-
20 Level 3 Overcurrent Protection
fg fg fg fg




MODULE 8 FINAL EXAM Q AND A

Materialsfgthatfgdofgnotfgallowfgafgcurrentfgtofgpassfgthroughfgthemfgarefgcalled:fg-fganswer--Insulators

WhichfgoffgthefgfollowingfgactionsfgshouldfgNOTfgbefgtakenfgiffgafgfirefgresultsfgfromfganfgoverloadfgoffganfgelectricfgcircuit?
fg-fganswer--Putfgwaterfgonfgit



AnfgUnderwritersfgLaboratoryfg(UL)fgdesignationfgindicates:fg-fganswer--
thefgappliancefghasfgbeenfgcertifiedfgtofgoperatefgsafelyfgunderfgthefgconditionsfgspecified

Jessica,fgafgsalon/
spafgownerfgwantsfgherfgestheticiansfgtofgeachfgbefgablefgtofgrunfgtheirfgelectricalfgequipmentfgindependentlyfgorfghavefgs
everalfgloadsfgrunningfgatfgonefgtime.fgWhichfgtypefgoffgwiringfgshouldfgbefginstalledfginfgherfgsalon/spa?fg-fganswer--
Parallel

Whatfgcanfgoccurfganytimefgafgforeignfgconductorfgcomesfginfgcontactfgwithfgafgwirefgcarryingfgcurrentfgtofganfgappliance
?fg-fganswer--shortfgcircuit

Voltsfgandfgfrequencyfgneededfgandfgwattsfgthefgappliancefgconsumesfgarefgindicatedfgonfgthe:fg-fganswer--Namefgplate

Electricfgcurrentfgmovesfgalongfgafgpathfgcalledfga(n):fg-fganswer--Conductor

Firesfginfgelectricalfgcircuitsfgcanfgoccurfgif:fg-fganswer--
toofgmanyfgappliancesfgusefgthefgsamefgwallfgsocketfgandfgoverloadfgthefgcircuit

Thefgtwofgformsfgoffgelectricfgcurrentfgare:fg-fganswer--AC/DC

Afgwaveformfgisfgthefgvisualfgrepresentationfgoffgthefgoutputfgcurrentfgthatfgvariesfginfgtime,fgstrengthfgand:fg-fganswer--
Direction

Whyfgisfgitfgdangerousfgtofgusefganyfgelectricalfgcordfgwithfgafgbreakfginfgit?fg-fganswer--canfgcausefgelectricalfgshock

Whatfgarefgthefginitialsfgusedfgtofghelpfgyoufgrememberfgfirefgextinguisherfguse?fg-fganswer--PASS

Whenfgtoofgmanyfgappliancesfgarefgputfgonfgonefgcircuitfgandfgarefgoperatedfgatfgthefgsamefgtime,fgmorefgcurrentfgflowsfgt
hanfgthefglinefgisfgdesignedfgtofgcarry.fgThisfgisfgknownfgas:fg-fganswer--overload

Cordsfgonfgappliancesfgshouldfgbefgkeptfgstraightfgandfgfreefgoffgknots,fgkinksfgandfgtanglesfgtofgprevent:fg-fganswer--
breaks

Tofgavoidfgthefgpossibilityfgoffgoverloadsfgandfgshortfgcircuits,fgsafetyfgdevicesfgarefginstalledfginfgappliancesfgandfgbuildi
ngs.fgTwofgoffgthesefgdevicesfgarefgfusesfgand:fg-fganswer--circuitfgbreakers

Howfgmanyfgmilliamperesfgequalfgonefgampere?fg-fganswer--1,000

Materialsfgthatfgbestfgtransportfgelectricityfgarefgcalled:fg-fganswer--conductors

1fg/
fg6

, 26305-
20 Level 3 Overcurrent Protection
fg fg fg fg

Thefgnegativefgpolesfgandfgpositivefgpolesfgatfgthefgendfgoffgafgcircuitfgarefgknownfgas:fg-fganswer--Polarity

Whichfgoffgthefgfollowingfgdescriptionsfgidentifiesfgafgvolt?fg-fganswer--
measurefgoffghowfghardfgthefgelectronsfgarefgbeingfgforcedfgorfgpushedfgbyfgafgsource

Afgvoltfgisfgafgunitfgoffgelectricfg-fganswer--pressure

Whichfgoffgthefgfollowingfgmaterialsfgdoesn'tfgallowfgcurrentfgtofgpassfgthroughfgit?fg-fganswer--Glass

Polarizedfgoutletsfgfeaturefgonefgverticalfgslotfgforfgthefghotfgwirefgandfgafgsecond,fgwiderfgverticalfgslotfgforfgthe:fg-
fganswer--neutralfgwire



Iffganfgelectricalfgfirefgoccursfginfgthefgsalon/spa,fgusefgwaterfgtofgextinguishfgit.fg-fganswer--False

Afgmeasurefgoffghowfgmuchfgelectricalfgenergyfgisfgbeingfgusedfgisfgknownfgasfga:fg-fganswer--Watt

Howfgdoesfgafgfusefgactfgasfganfgelectricityfgsafetyfgmeasure?fg-fganswer--
breaksfgthefgcircuit,fgcuttingfgthefgflowfgoffgelectricityfgwhenfganfgoverloadfgoccurs

Light,fgheat,fgchemicalfgandfgmagneticfgchangesfgarefgallfgproducedfgby:fg-fganswer--electricity

AllfgoffgthefgfollowingfgtermsfgarefgtypesfgoffgwaveformsfgEXCEPT:fg-fganswer--Round

Twofgcommonfgsourcesfgoffgelectricfgcurrentfgarefggeneratorsfgand:fg-fganswer--batteries

Droppingfganfgelectricalfgappliancefgintofgwater,fgmakingfgitfgafgforeignfgconductor,fgcausesfga(n):fg-fganswer--
shortfgcircuit

Plastic,fgrubberfgorfgpaperfgarefgexamplesfgoffgwhatfgtypefgoffgmaterials?fg-fganswer--Insulatingfgmaterials

Infgthefgeventfgoffgbeingfgtrappedfginfgasmoke-filledfgroomfgorfgbuilding,fgdofgallfgoffgthefgfollowingfgactionsfgEXCEPT:fg-
fganswer--closefgthefgwindowsfgtofgtrapfgthefgair



Whichfgoffgthefgfollowingfgmaterialsfgisfgconsideredfgafgconductor?fg-fganswer--water-containingfgions

Electronsfgtravelfgonfgafgclosedfgpath,fgcalledfga:fg-fganswer--Circuit

Whatfgtypefgoffgoutletfgisfgrecommendedfgforfginstallationfginfganyfgareafgwherefgwaterfgandfgelectricityfgcouldfgcomefginto
fgcontact?fg-fganswer--GFCI



Whichfgoffgthefgfollowingfgsafetyfgguidelinesfgisfgimportantfgtofgkeepfginfgmindfgwhenfgusingfgelectricalfgequipment?fg-
fganswer--avoidfgcontactfgwithfgwaterfgandfgmetalfgsurfaces



Afgunitfgoffgelectricfgresistancefgisfgcalledfga(n):fg-fganswer--Ohm

Walkingfgacrossfgafgcarpetfginfgafgcold,fgdryfgenvironment,fgthenfgtouchingfgafgmetalfgobjectfgandfggettingfgafgsmallfgshoc
kfgisfgknownfgasfgstaticfgelectricity.fg-fganswer--True

Howfgmanyfgwattsfgequalfgonefgkilowatt?fg-fganswer--1000


2fg/
fg6