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the National Electrical Code®and are typicalof questions encountered on most Master Electricians'Exams.Select the best answer from thechoices given and review your answers with the answer key included in this book.  \nALLOTTED TIME:75 minutes  \nNotes  \nMaster ElectricianPractice Exam\\#14  \n1.Use of a separately derived 120-volt,single-phase,3-wire systemwith 60 volts on each of two (2)ungrounded conductors to agrounded neutral conductor shall be permitted for the purposeof reducing    in sensitive electronic equipment locations ofcommercial or industrial occupancies.  \nA.objectionable currents  \nB.voltage drop  \nC.harmonic currents  \nD.objectionable noise  \n2.Manhole covers shall be OVER   pounds in weight orotherwise require the use of tools to open.  \nA.25  \nB.50  \nC.75  \nD.100  \n3.Branch-circuit conductors supplying outlets for professional-typearc and xenon motion picture projectors shall be at LEAST size      AWG.  \nA.12  \nB.10  \nC.8  \nD.6  \n4.Where Type PVC conduit is installed underground to supply agasoline motor fuel dispensing unit,threaded rigid metal conduit(RMC)or threaded intermediate metal conduit (IMC)shall beused for the LAST      feet of the underground run to where theconduit emerges.  \nA.two  \nB.four  \nC.five  \nD.six  \n5.The grounded conductor of a 3-phase,3-wire delta connectedservice shall have an ampacity of NOT less than  percentof the ungrounded conductors.  \nA.125  \nB.100  \nC.80  \nD.75  \n6.When determining the number of conductors permitted to beinstalled in an outlet box.areduction of      conductors shall bemade for one (1)device,two (2)clamps,and three (3)groundingconductors.  \nA.three  \nB.four  \nC.five  \nD.six  \n7.The demand factor of any electrical system is the ratio of themaximum demand for a system to      load of the system.  \nA.the total connected  \nB.125 percent of the total connected  \nC.125 percent of the total connected continuous  \nD.80 percent of the total connected noncontinuous oadplus 125 percent of the total connected continuous  \n8.All 15-or 20-ampere,single-phase,125-volt receptacle outletslocated within at LEAST      feet of the edge of a decorativefountain shall be provided with GFCl protection.  \nA.10  \nB.15  \nC.20  \nD.25  \nNotes  \n## Notes\n\n9.The emergency controls for attended self-service gasoline stationsand convenience stores with motor fuel dispensers must belocated NOT more than   feet from the motor fuel dispensers.  \nA.20  \nB.50  \nC.75  \nD.100  \n10.Hospital X-ray equipment properly supplied by a branch-circuitrated at NOT more than      amperes may be served by a hard-service cord with a suitable attachment plug.  \nA.15  \nB.20  \nC.30  \nD.60  \n11.Given:The motoris on the end of a25 feet condut run that containsonly three (3)conductors at an expected ambient temperature of115F.What are the MINIMUM size THWN copper conductorsrequired to serve a continuous-duty,25 hp,208-volt,three-phasemotor?  \nA.6AWG  \nB.3 AWG  \nC.2 AWG  \nD.1AWG  \n12.Outlets supplying permanently installed swimming pool pumpmotors from single-phase,15-or 20-ampere,120-or 240-voltbranch circuits shall be provided with GFCl protection      _·  \nA.when installed in buildings  \nB.when cord-and-plug-connected  \nC.when direct connected  \nD.at all times  \n13.Which one of the following items shall be installed on the criticalbranch of the essential electrical system in a health care facility?  \nA.exit signs  \nB.nurse call systems  \nC.communication systems  \nD.fire alarms  \n14.A disconnecting means installed at the distribution point wheretwo or more agricultural buildings are supplied shall NOT berequired to      \nA.be grounded  \nB.contain overcurrent protection  \nC.contain a grounded conductor  \nD.be rated for the calculated load  \n15.When calculating the service-entrance conductors for a farmservice,the second largest load of the total load shallbe computedat NOT less than   percent.  \nA.90  \nB.80  \nC.75  \nD.65  \n16","cbCaiv1mzFdJ4D0N","https://ap.wps.com/l/cbCaiv1mzFdJ4D0N","pdf",3489235,"English","# Notes\n## Questions\n## Answer review","[{\"question\":\"What is the allotted time for Master Electrician Practice Exam #14?\",\"answer\":\"The exam is allotted 75 minutes.\"},{\"question\":\"What code edition are the questions based on?\",\"answer\":\"The questions are based on the 2014 edition of the National Electrical Code (NEC®).\"},{\"question\":\"How are questions presented and how are answers checked?\",\"answer\":\"Each question is multiple choice; the best answer must be selected from the given choices, then reviewed with the answer key included in the book.\"}]","MASTER ELECTRICIAN Practice Exam - 14 | PDF",1790524856,25]