ELECTRICIAN (CUNY) EXAM C
COMPREHENSIVE TEST PAPER QUESTIONS
AND SOLUTIONS GRADED A+
◉ A metal pole supporting a light fixture shall have an accessible
handhole not less than ________ inches?
A) 2 X 6 inches
B) 3 X 4 inches
C) 2 X 4 inches
D) 4 X 8 inches.
Answer: C) 2 X 4 inches
Article 410.30 (B) (1)
◉ The largest standard rating for fuses and inverse time circuit
breakers is?
A) 1000 amps
B) 1600 amps
C) 1200 amps
D) 6000 amps.
,Answer: D) 6000 amps
Article 240.6
◉ A feeder tap less than 25 feet long does not require overcurrent
protection at the tap if the Ampacity of the tap conductor is at least?
A) 50% of the feeder conductor
B) 40% of the feeder conductor
C) 33 1/3% of the feeder conductor
D) 20% of the feeder conductor.
Answer: C) 33 1/3 % of the feeder conductor
Article 240.21 (B) (2)
◉ The power factor of a system or circuit is?
A) the ratio of true power to apparent power
B) the ratio of impedance to reactance
C) the relationship of volts and ohms
D) none of the above.
Answer: A) The ratio of true power to apparent power
, ◉ Which of the following systems and materials is not permitted to
be used as a grounding electrode?
A) metal underground gas piping
B) zinc coated steel
C) stainless steel
D) copper pipe larger than the metric designator 21.
Answer: A) metal underground gas piping
Article 250.52 (B)
◉ How must a branch circuit supplying a domestic hot water heater
with a capacity of 120 gallons or less be sized?
A) 100% of its nameplate rating
B) 110% of its nameplate rating
C) 125% of its nameplate rating
D) 150% of its nameplate rating.
Answer: C) 125% of its nameplate rating
Article 422.13
COMPREHENSIVE TEST PAPER QUESTIONS
AND SOLUTIONS GRADED A+
◉ A metal pole supporting a light fixture shall have an accessible
handhole not less than ________ inches?
A) 2 X 6 inches
B) 3 X 4 inches
C) 2 X 4 inches
D) 4 X 8 inches.
Answer: C) 2 X 4 inches
Article 410.30 (B) (1)
◉ The largest standard rating for fuses and inverse time circuit
breakers is?
A) 1000 amps
B) 1600 amps
C) 1200 amps
D) 6000 amps.
,Answer: D) 6000 amps
Article 240.6
◉ A feeder tap less than 25 feet long does not require overcurrent
protection at the tap if the Ampacity of the tap conductor is at least?
A) 50% of the feeder conductor
B) 40% of the feeder conductor
C) 33 1/3% of the feeder conductor
D) 20% of the feeder conductor.
Answer: C) 33 1/3 % of the feeder conductor
Article 240.21 (B) (2)
◉ The power factor of a system or circuit is?
A) the ratio of true power to apparent power
B) the ratio of impedance to reactance
C) the relationship of volts and ohms
D) none of the above.
Answer: A) The ratio of true power to apparent power
, ◉ Which of the following systems and materials is not permitted to
be used as a grounding electrode?
A) metal underground gas piping
B) zinc coated steel
C) stainless steel
D) copper pipe larger than the metric designator 21.
Answer: A) metal underground gas piping
Article 250.52 (B)
◉ How must a branch circuit supplying a domestic hot water heater
with a capacity of 120 gallons or less be sized?
A) 100% of its nameplate rating
B) 110% of its nameplate rating
C) 125% of its nameplate rating
D) 150% of its nameplate rating.
Answer: C) 125% of its nameplate rating
Article 422.13
