Master Electrician 2 PRESET PREP TEST FOR REVISION Q&A VERIFIED

Master Electrician 2 PRESET PREP TEST FOR REVISION Q&A VERIFIED In dwelling units and guest rooms of hotels and motels, overcurrent protection devices shall NOT be located in _____. - ANSWER bathrooms The conductors in multiconductor portable cables, of over 600 volts nominal, used to connect mobile equipment and machinery, shall be at least size _____ copper or larger and employ flexible stranding. - ANSWER 12 AWG Where a flat cable assembly, Type FC, is installed LESS than _____ above the floor level or fixed working platform, it shall be protected by a cover identified for the use. - ANSWER 8 feet Apply no exceptions and determine the MAXIMUM standard size time-delay fuses permitted to be used for branch-circuit, shortcircuit and ground-fault protection for a 15 hp, 480-volt, threephase, continuous-duty, wound rotor motor. - ANSWER 30 amperes In general, when conductors of different insulation ratings are installed in a common raceway and the voltage is 600 volts or less, the NEC® requires _____ . - ANSWER all conductors shall have an insulation rating equal to at least the maximum circuit voltage applied to any conductor in the raceway Where a service-entrance conduit having a length of six (6) ft. contains four (4) size 2 AWG THWN copper current-carrying conductors, and ambient temperature is not to be taken into consideration, each of the conductors have an allowable ampacity of _____. - ANSWER 92 amperes Unless otherwise provided, Type AC cable shall be supported at intervals NOT exceeding _____ where installed on or across framing members. - ANSWER 4½ ft. Where located in Class I, Division 1 locations, transformers containing oil or a liquid that will burn shall be _____. - ANSWER installed in vaults only Where a conduit or tubing nipple has a length of NOT more than ____ it is not necessary to derate for the number of currentcarrying conductors contained in the nipple. - ANSWER 24 in. When a fiber optic cable passes through a fire-resistant-rated partition or wall it must be _____. - ANSWER firestopped With respect to service-drop conductors and open overhead wiring of not more than 750 volts to ground, the MINIMUM vertical clearance that must be maintained from the base of a swimming pool diving board and the conductors is _____ . - ANSWER 22½ feet When a building contains _____, the building may have more than one service without special permission being granted from the local authority having jurisdiction. - ANSWER fire pumps In general, service-drop conductors shall have a vertical clearance of at LEAST _____ above the roof surface of a building having no overhang. - ANSWER 8 feet