Master electrician nec - Study guides, Class notes & Summaries

Master Electrician PASS TEST Q&A A ceiling fan when supported by a standard outlet box the maximum weight is a. 45 lbs b. 55 lbs c. 35 lbs d. 70 lbs - ANSWER 35 lbs. given: Underwater lighting fixtures are in the walls of a permanently installed pool. Disregarding NEC exceptions, the top of the fixture lens must be at least __________ inches below the normal water level of the pool. a. 12 in b. 24 in c. 14 in d. 18 in - ANSWER 18 inches Given: A 16 unit apartment building ha...

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 ___...

Master Electrician PASS TEST Q&A A ceiling fan when supported by a standard outlet box the maximum weight is a. 45 lbs b. 55 lbs c. 35 lbs d. 70 lbs - ANSWER 35 lbs. given: Underwater lighting fixtures are in the walls of a permanently installed pool. Disregarding NEC exceptions, the top of the fixture lens must be at least __________ inches below the normal water level of the pool. a. 12 in b. 24 in c. 14 in d. 18 in - ANSWER 18 inches Given: A 16 unit apartment building ha...

Master Electrician License Latest Exam with Verified A+ Rated Answers 2024 If the cover for an underground pull box used for circuits over 600v is not locked, bolted, or screwed into place, then it must weigh equal to Correct Answer 100 pounds The maximum total voltage droop on a branch circuit is Correct Answer 3% The floors of vaults in contact with the earth shall be of concrete that is not less then Correct Answer 6 inches thick According to the NEC bare live parts are guarded f...

Michigan Master Electrician PREP TEST Q&A | VERIFIED 3 phase voltage drop - ANSWER 1.73 x K x I x L/A (K = resistance per foot, I = Current, L = length) Efficiency 3 phase - ANSWER HP(746)/1.73IE(pf) When equipment grounding is accomplished by means of an equipment ground, the size is determined from - ANSWER Table 250.122 Parallel conductors in nonmetallic raceway, grounding is determined by - ANSWER Table 250.122(F) When supplying power from a grounded system from one building to ...

ELMC Master Electrician PREP TEST 100% VERIFIED The purpose of the NEC is to provide _________. a. a design specification for electrical installations b. the practical safeguarding of persons and property from hazards arising from the use of electricity. c. for efficient electrical installations d. for installations which are adequate for good service - ANSWER the practical safeguarding of persons and property from hazards arising from the use of electricity PLFA cable is rated fo...

Master Electrician Q%A VERIFIED TEST | ALREADY PASSED Where a 90 ampere, 240-volt, single-phase load is located 225 feet from a panelboard and is supplied with size 3 AWG copper conductors, determine the approximate voltage drop on the conductors. (K = 12.9) - ANSWER 10 volts Wiring methods associated with solar photovoltaic (PV) systems shall not be installed within _____ of the roof decking or sheathing except where directly below the roof surface covered by PV modules and associ...

Michigan Master Electrician PREP TEST Q&A | VERIFIED 3 phase voltage drop - ANSWER 1.73 x K x I x L/A (K = resistance per foot, I = Current, L = length) Efficiency 3 phase - ANSWER HP(746)/1.73IE(pf) When equipment grounding is accomplished by means of an equipment ground, the size is determined from - ANSWER Table 250.122 Parallel conductors in nonmetallic raceway, grounding is determined by - ANSWER Table 250.122(F) When supplying power from a grounded system from one building to ...

ELMC Master Electrician PREP TEST 100% VERIFIED The purpose of the NEC is to provide _________. a. a design specification for electrical installations b. the practical safeguarding of persons and property from hazards arising from the use of electricity. c. for efficient electrical installations d. for installations which are adequate for good service - ANSWER the practical safeguarding of persons and property from hazards arising from the use of electricity PLFA cable is rated fo...

Master Electrician PRETEST QUESTIONS ANSWERED CORRECTLY A compressor motor is rated 1HP, 115V, 16 amps. It is connected to a receptacle providing 120 volts with a 100' extension cord. Due to the load conditions, the maximum voltage drop allowed during starting lockedrotor condition is 30% of motor voltage rating. Using 96 amps for locked-rotor current. Resistance equals impendence. Use resistance values in Table 8 & 9. What is the minimum size of uncoated copper? - ANSWER 10 AWG ...