Journeyman Electrician Exam Questions and Answers 100% Solved

Journeyman Electrician Exam Questions and Answers 100% Solved The continuity of the equipment grounding conductor system used to reduce electrical shock hazards for portable electrical carnival equipment shall be verified ____. - answereach time the equipment is connected Where the outer sheath of Type MI cable is made of steel _____. - answera separate equipment grounding conductor shall be provided Electrical equipment such as distribution panelboards, motor controllers, and motor control centers that are located in other than dwelling units, and are likely to require examination, adjustment, servicing, or maintenance while energized, shall be field or factory marked to warn qualified persons of _____. - answerpotential arc flash hazards Determine the MINIMUM size THW copper branch-circuit conductors required by the NEC® to supply a 3-phase, continuous-duty, AC motor that has a full-load current of 70 amperes. Assume all terminations to be rated for 75°C. - answer3 AWG The MINIMUM rating for a service disconnecting means for a building, other than a one-family dwelling, consisting of three (3) 2-wire circuits shall be _____. - answer60 Amperes Class _____ locations are those that are hazardous because of the presence of easily ignitable fibers or where materials producing combustible flyings are handled. - answerIII A 208-volt, 3-phase, 50 hp, squirrel-cage, continuous-duty, Design C, AC motor has a full-load running current of _____. - answer143 amperes Determine the MAXIMUM number of size 14 AWG THHN conductors permitted to be installed in a trade size 3/8 inch flexible metal conduit (FMC) that contains a bare size 14 AWG grounding conductor when the FMC has external fittings. - answer4 Receptacles supplying power to freestanding-type office furnishings shall be located NOT more than _____ from the furnishing that is connected to it. - answer1 foot Disregarding exceptions, all of the following wiring methods listed are permitted to be used as a feeder for temporary wiring on a construction site EXCEPT _____. - answerType PD cord When a pull box contains conductors of size 4 AWG and larger and a straight pull of the conductors is to be made, the length of the box shall NOT be less than _____ times the trade diameter of the largest conduit entering the box. - answer8 In general, when feeder conductors of not over 600 volts supply a continuous load of 240 amperes, the overcurrent protection device protecting this circuit shall have a MINIMUM rating of _____. - answer300 amperes Luminaires installed under metal-corrugated sheet roofing decking shall be installed and supported so there is NOT less than _____ clearance from the lowest surface of the roof decking to the top of the luminaires. - answer1 1/2 in Given: You have determined a conductor has a computed allowable ampacity of 75 amperes. What is the MAXIMUM standard ampere rating of the overcurrent protection device the NEC® permits to protect this circuit? Assume this is not a motor circuit or part of a branch circuit supplying more than one receptacle. - answer80 amperes As a general rule, when a size 4 AWG or larger insulated conductor enters a panelboard, cabinet, or enclosure, which of the following must be provided? - answeran insulated bushing When branch-circuit conductors supplying a luminaire are contained inside a ballast compartment and they are within 3 inches of the ballast, the conductors shall have a temperature rating of at LEAST _____. - answer90°C Which of the following listed types of batteries is NOT permitted for use as a source of power for emergency systems? - answerautomotive Where exceptions are not to be applied, liquid tight flexible metal conduit (LFMC) shall be securely fastened within at LEAST_____ of each box, cabinet, or other conduit termination. - answer12 inches The interior of enclosures or raceways installed underground shall be considered to be a _____. - answerwet location In guest rooms or guest suites of hotels and motels, and sleeping rooms in dormitories, at LEAST _____ general purpose receptacle(s) installed in the room is/are required to be readily accessible. - answertwo Determine the ampacity of a size 1/0 AWG THW copper current-carrying conductor installed in a common raceway with three (3) other current-carrying conductors of the same size. Ambient temperature is 86°F. - answer120 amperes A plate-type grounding electrode shall be installed below the surface of the earth NOT less than _____. - answer30 inche