Master electricians Study guides, Class notes & Summaries

NYC MASTER ELECTRICIAN EXAM|230 QUESTIONS AND ANSWERS

Master Electrician Examination QUESTIONS WITH VERIFIED ANSWERS #1 Refer to the Level Power plan by clicking on the EXHIBIT button above Based on the information shown of this exhibit, the current in the branch circuit for the HP-5 indoor unit is _________amperes A.0 B. 7.2 C. 52.0 D. 72.1 - ANSWER D. 72.1 The ground fault circuit protection for personnel works on the principle of measuring unbalanced current between A. UNDERGROUND CONDUCTORS B. THE SERVICE DISCONNECT AND BRANCH C...

Master Electrician License Questions & Answers Already Passed!!

Type ____ is multiconductor cable identified for use as underground service entrance cable. - CORRECT ANSWER Type USE cable Knife switch rated for more than 1200 Amps at 250Volts or less - CORRECT 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 ? - CORRECT ANSWER Track lighting has receptacle Where internal combustion engines are used as the prime motor, an on site fuel supply sha...

MASTER ELECTRICIANS PRACTICE EXAM 2024 SOLVED 100% CORRECT

MASTER ELECTRICIAN REAL TEST QUESTIONS ANSWERED CORRECTLY Given: Two separate Services are identical in voltage and amperage, except that one service serves only motor - loads and the other serves lighting loads only. in the event of a short circuit in these services, the available short circuit current will be: A) The same in either service B) Higher in the motor-load service C) Higher in the lighting -load service D) 25% greater in the service for the motor load - ANSWER The s...

Master Electrician REAL PRETEST QUESTIONS WTH ANSWERS 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 meth...

NYC MASTER ELECTRICIAN EXAM (Electrical exam) QUESTIONS WITH 100% COMPLETE ANSWERS. Type ____ is multiconductor cable identified for use as underground service entrance cable. Type USE cable Knife switch rated for more than 1200 Amps at 250Volts or less Can be used only as isolating switch, shall not be opened under load Track lighting with outlets in a bathroom is not allowed because ? Track lighting has receptacle Where internal combustion engines are used as the prime motor, an on si...

The ordinary direct current series motor does not operate satisfactorily with alternating current. One of the main reasons for this is a. excessive heating due to eddy currents in the solid parts of the field structure b. that the armature current and field current are out of phase with each other c. that the field flux lags 120 in time phase with respect to the line voltage d. excessive heating due to the low voltage drop in the series field - ANSWER-a. excessive heating due to eddy curr...

MASTER ELECTRICIAN TEST 211/70 QUESTIONS AND ANSWERS