NYC MASTER ELECTRICIAN EXAM 2026
UPDATED EXAM ACTUAL LATEST VERSIONS
250 QUESTIONS AND CORRECT VERIFIED
ANSWERS WITH RATIONALES (100%
CORRECT) A+ GRADED ASSURED
—— Cartridge fuses of the renewable type shall be permitted to be used only for replacement in
existing installation is where there is no evidence of over-fusing or tampering. - CORRECT
ANSWER: Class H
A 100HP DC motor at 220V with 90% efficiency requires a fuse size of ? 600A - CORRECT
ANSWER:
A 15A or 20A 125V receptacle outlet shall be located within 25 feet of heating, air conditioning,
and refrigeration equipment for : dwelling, commercial, industrial, occupancies. - CORRECT
ANSWER:
A branch circuit that supplies only one utilization equipment is a individual branch circuit. -
CORRECT ANSWER:
A disconnecting means that serves a hermetic refrigerant motor compressor shall have an ampere
rating of at least 115% of the nameplate rated load current to branch circuit selection current,
whichever is greater. - CORRECT ANSWER:
A door used by personnel to exit the work space that is less than 25' feet from the working space
shall, swing outward with simple pressure. - CORRECT ANSWER:
A fixed storage type water heater of 120 gallons or less shall be considered a continuous, load
and the branch circuits conductors shall have an ampacity of ____ % of the nameplate current
rating - CORRECT ANSWER: 125%
,A hospital is a building or portion there of used for medical, psychiatric, obstetrical, or surgical
care, on a 24-hour basis, of four or more patients - CORRECT ANSWER:
A hospital is a building or portion thereof used for medical, psychiatric,obstetrical , or surgical,
care on a 24 hour basis of ____ or more patients - CORRECT ANSWER: Four
A limited care facility is an area used on a ____hour basis for the housing of four or more
persons who are incapable of self-preservation because of age, physical limitation due to
accident or illness, or mental limitations, mental illness, or chemical dependency. - CORRECT
ANSWER: 24hr
A load demand factor of 75% is permitted for four or more appliances fastened in place such as
waste disposal, dishwashers, trash compactors, water heater, etc, - CORRECT ANSWER:
A multi family building has 12 units. The system voltage is 120/240V, single-phase. Each 1,500
sq ft unit contains the following:
Dishwasher 1.50 kva
Water Heater 4kw
Dryer 4.50 kW
Washing Machine 1.20 KVA
Range 14.45 kw
A/C (230V) 3hp
A/C fan motor 1/8 hp (334)
Heat 5kw - CORRECT ANSWER:
A separate branch circuit shall supply the elevator hoistway pit lighting and receptacle. The
required lighting shall not be connected to the load side of a ground-fault circuit interrupter. -
CORRECT ANSWER:
, A separation of at least ____ is required between network communication cable and power
cables. - CORRECT ANSWER: 4" (830)
A separation of at least ____ft shall be maintained between communication wires and cables on
buildings and lighting conductors, where practicable. - CORRECT ANSWER: 6'ft
A service switchboard sized over 5000A with a 100% rating shall have copper bus bars sized on
an ampacity of 700'ft per square inch. - CORRECT ANSWER:
A storage battery supplying emergency lighting and power shall maintain not less than 87.5% of
full fault is that total low for a period of at least 1.5 hours - CORRECT ANSWER:
AC or DC general use snap switches may be used for control of inductive loads not exceeding
____of the ampere rating of the switch at the applied voltage. - CORRECT ANSWER: 50%
Access opening in a manhole shall be not less than 26" - CORRECT ANSWER:
According to the NEC, bare live parts are guarded from the public in the following methods
except? Protected by fireproof curtain - CORRECT ANSWER:
Alternating- current general-use snap switches are permitted to control- resistive and inductive
loads that do not exceed the ampere and voltage rating of the switch, tungsten-filament lamp
loads that do not exceed the ampere rating of the switch at 120V, motor loads that do not exceed
80% of the ampere and voltage rating of the switch - CORRECT ANSWER:
An electrician assigns men to install outlets in a room. It took 2.6 hours to install outlets in each
room. At the end of 5 days, how many rooms are completed? Assume the men work 8hrs a day?
15 - CORRECT ANSWER:
UPDATED EXAM ACTUAL LATEST VERSIONS
250 QUESTIONS AND CORRECT VERIFIED
ANSWERS WITH RATIONALES (100%
CORRECT) A+ GRADED ASSURED
—— Cartridge fuses of the renewable type shall be permitted to be used only for replacement in
existing installation is where there is no evidence of over-fusing or tampering. - CORRECT
ANSWER: Class H
A 100HP DC motor at 220V with 90% efficiency requires a fuse size of ? 600A - CORRECT
ANSWER:
A 15A or 20A 125V receptacle outlet shall be located within 25 feet of heating, air conditioning,
and refrigeration equipment for : dwelling, commercial, industrial, occupancies. - CORRECT
ANSWER:
A branch circuit that supplies only one utilization equipment is a individual branch circuit. -
CORRECT ANSWER:
A disconnecting means that serves a hermetic refrigerant motor compressor shall have an ampere
rating of at least 115% of the nameplate rated load current to branch circuit selection current,
whichever is greater. - CORRECT ANSWER:
A door used by personnel to exit the work space that is less than 25' feet from the working space
shall, swing outward with simple pressure. - CORRECT ANSWER:
A fixed storage type water heater of 120 gallons or less shall be considered a continuous, load
and the branch circuits conductors shall have an ampacity of ____ % of the nameplate current
rating - CORRECT ANSWER: 125%
,A hospital is a building or portion there of used for medical, psychiatric, obstetrical, or surgical
care, on a 24-hour basis, of four or more patients - CORRECT ANSWER:
A hospital is a building or portion thereof used for medical, psychiatric,obstetrical , or surgical,
care on a 24 hour basis of ____ or more patients - CORRECT ANSWER: Four
A limited care facility is an area used on a ____hour basis for the housing of four or more
persons who are incapable of self-preservation because of age, physical limitation due to
accident or illness, or mental limitations, mental illness, or chemical dependency. - CORRECT
ANSWER: 24hr
A load demand factor of 75% is permitted for four or more appliances fastened in place such as
waste disposal, dishwashers, trash compactors, water heater, etc, - CORRECT ANSWER:
A multi family building has 12 units. The system voltage is 120/240V, single-phase. Each 1,500
sq ft unit contains the following:
Dishwasher 1.50 kva
Water Heater 4kw
Dryer 4.50 kW
Washing Machine 1.20 KVA
Range 14.45 kw
A/C (230V) 3hp
A/C fan motor 1/8 hp (334)
Heat 5kw - CORRECT ANSWER:
A separate branch circuit shall supply the elevator hoistway pit lighting and receptacle. The
required lighting shall not be connected to the load side of a ground-fault circuit interrupter. -
CORRECT ANSWER:
, A separation of at least ____ is required between network communication cable and power
cables. - CORRECT ANSWER: 4" (830)
A separation of at least ____ft shall be maintained between communication wires and cables on
buildings and lighting conductors, where practicable. - CORRECT ANSWER: 6'ft
A service switchboard sized over 5000A with a 100% rating shall have copper bus bars sized on
an ampacity of 700'ft per square inch. - CORRECT ANSWER:
A storage battery supplying emergency lighting and power shall maintain not less than 87.5% of
full fault is that total low for a period of at least 1.5 hours - CORRECT ANSWER:
AC or DC general use snap switches may be used for control of inductive loads not exceeding
____of the ampere rating of the switch at the applied voltage. - CORRECT ANSWER: 50%
Access opening in a manhole shall be not less than 26" - CORRECT ANSWER:
According to the NEC, bare live parts are guarded from the public in the following methods
except? Protected by fireproof curtain - CORRECT ANSWER:
Alternating- current general-use snap switches are permitted to control- resistive and inductive
loads that do not exceed the ampere and voltage rating of the switch, tungsten-filament lamp
loads that do not exceed the ampere rating of the switch at 120V, motor loads that do not exceed
80% of the ampere and voltage rating of the switch - CORRECT ANSWER:
An electrician assigns men to install outlets in a room. It took 2.6 hours to install outlets in each
room. At the end of 5 days, how many rooms are completed? Assume the men work 8hrs a day?
15 - CORRECT ANSWER:
