Master electrician class - Study guides, Class notes & Summaries

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...

NYC MASTER ELECTRICIAN EXAM ALREADY PASSED TEST | VERIFIED Type ____ is multiconductor cable identified for use as underground service entrance cable. - ANSWER Type USE cable Knife switch rated for more than 1200 Amps at 250Volts or less - ANSWER Can be used only as isolating switch, shall not be opened under load Track lighting with outlets in a bathroom is not allowed because ? - ANSWER Track lighting has receptacle Where internal combustion engines are used as the prime motor, an...

Architect - Answer-a person professionally engaged in the design of certain large constructions other than buildings and the like landscape architect, naval architect. Drafter - Answer-professionally draws (sketches or computerized) structures Construction trades - Answer-career in construction and repair of residential and commercial structures (include: construction manager, carpenter, painter, plumber, and electrician) Furniture designer - Answer-designs furniture Textile designer - A...

If an applicant for the master or journey license examination fails the exam twice within two years, what is required to re-test? - ANSWER-Wait one year and provide proof of completion of an approved class. On the jobsite, what is the ratio of registered apprentices to journey or master electricians? - ANSWER-Residential job site: 2 apprentices to one journey (or master) - all other job sites: 1 to 1 How many hours of related experience are required to qualify for a Sign Specialist license...

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...

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 ...

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 ___...

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...

ELMC Master Electrician 100% VERIFIED What is the minimum size of FPL cable? a. 18 awg b. 14 awg c. 26 awg d. 16 awg - ANSWER 26 awg A substation of 600 volts or more has a six foot fence with three strands of barbed wire along the top, how high above the fence must the top strand of barbed wire be? a. 18 inches b. 12 inches c. 24 inches d. 30 inches - ANSWER 12 inches The time of discharge of residual voltage of a capacitor shall be reduced to 50 volts, nominal, or less within...

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 ...