Journeyman Electrician Exam Questions and Answers 2023 Graded A+

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Journeyman Electrician Exam Questions and Answers 2023 Graded A+ For other than one-and two-family dwellings, when building a new electrical service, at least one (1) 125-volt, single-phase, 15- or... 20-ampere-rated receptacle outlet shall be located within at LEAST _____ of the electrical service equipment? -ANS>> 50 feet The ampacity of a conductor is defined by the NEC to be the maximum current, in amperes, a conductor can carry continuously under the conditions of use without exceeding ______? -ANS>> it's temperature rating Disconnect switch enclosure installed in a Class II, Division 2 location shall be listed as _____? -ANS>> dusttight The interior of enclosures or raceways installed underground shall be considered as a _____ location? -ANS>> dry Determine the MAXIMUM allowable current-carrying capacity of four (4) size 1/0 AWG THW copper current-carrying conductors installed in a common raceway with an ambient temperature of 86 degrees F? -ANS>> 120 amperes The NEC defines a continuous load to be a load where the maximum current on the circuit is expected to continue for at LEAST____ hours or more? -ANS>> three The service disconnecting means for each electrical service shall consist of NOT more than _____ switches or circuit breakers, mounted in a single enclosure or in a group of separate enclosures. -ANS>> six 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 where this is not a motor circuit or part of a multioutlet branch circuit supplying more than one receptacle? -ANS>> 80 amperes A 208-volt, 3-phase, 50 hp, squirrel-cage, continuous-duty, ac motor has a full-load running current rating of _____? -ANS>> 143 amperes What is the MAXIMUM distance that a disconnect switch is permitted to be located from the operator's station for a portable carnival ride? -ANS>> 6 feet Determine the MINIMUM trade size electrical metallic tubing (EMT) required to enclose eight (8) size 6 AWG copper conductors with THHW insulation, when installed in a 50 foot conduit run? -ANS>> 1 1/4 in. Where exceptions are not applicable, when a feeder supplies a continuous load of 240 amperes, the overcurrent protection device protecting this circuit shall have a rating of at LEAST _____? -ANS>> 300 amperes Liquidtight flexible metal conduit (LFMC) shall be securely fastened WITHIN _____ of each box or other conduit termination? -ANS>> 12 inches Where a pull box to be installed will contain 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. -ANS>> eight Conduit nipples not over 24 inches in length may be filled to a MAXIMUM of _____ of their cross-sectional area. -ANS>> 60 percent Determine the MAXIMUM number of size 14 AWG THHN conductors permitted to be installed in a trade size 3/8 in. flexible metal conduit (FMC) that contains a bare size 14 AWG grounding conductor, when the FMC has external fittings. -ANS>> four Which one of the following listed conduits does the NEC® permit to enclose conductors supplying wet-niche underwater pool luminaires? -ANS>> Schedule 40 rigid polyvinyl chloride conduit (PVC) [Show More]

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