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...

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 ...

Master Electrician License Exam Review 2023 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 - Answer-100 pounds The maximum total voltage droop on a branch circuit is - Answer-3% the floors of vaults in contact with the earth shall be of concrete that is not less then - Answer-6 inches thick according to the NEC bare live parts are guarded from the public in the following methods except - Ans...

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...

NYC Master Electrical Latest Exam | Updated 2024 with Verified Solutions Neutral point Correct Answer The common point on a wye-connection in a polyphase system or midpoint on a single phase, 3-wire system, or midpoint of a single phase portion of a 3-phase delta system, or a midpoint of a 3-wire, direct current system In the NEC the words ___________indicate a mandatory requirement Correct Answer Shall or shall not On a four wire Delta connected system with a midpoint of one phase windin...

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 ___...

Electrical NEC Exam Questions and answers, rated A+ the __________ has the responsibility for deciding on the approval of equipment and materials manufacturer authority having jurisdiction testing agency the owner of the premises - -authority having jurisdiction in the NEC, the word(s) "__________" indicate a mandatory requirement shall shall not shall be permitted shall or shall not - -shall or shall not "within sight from" means visible and not more than _________ ft di...

Master Electrician License Exam Latest 2024 Graded A+ 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 - 100 pounds The maximum total voltage droop on a branch circuit is - 3% the floors of vaults in contact with the earth shall be of concrete that is not less then - 6 inches thick according to the NEC bare live parts are guarded from the public in the following methods except - protected by...

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 ano...