NYC ELECTRICIAN EXAM QUESTIONS
AND ANSWERS
Article. 210.20 (A)
What is the allowable Ampacity of a 600 MCM copper conductor type TW?
A) 300 Amps
B) 350 Amps
C) 355 Amps
D) 400 Amps - ANSWER -B) 350 Amps
Article 100 Definitions
The panels of switchboards must be made of?
A) Moisture resistant, noncombustible material
B) Raintight material
C) Impact-resistant material
D) Waterproof material - ANSWER -A) Moisture-resistant, noncombustible material
Article 408.50
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
The value of current, time, or both at which an adjustable circuit breaker is set to trip is
known as?
A) Inverse time
B) Ampacity
C) Automatic
D) Setting - ANSWER -D) Setting.
Art. 100 Definitions
The cross-sectional area of three or more THW conductors in a conduit must not
exceed what percent of the cross-sectional area of the conduit?
A) 30%
B) 40%
C) 50%
D) 60% - ANSWER -B) 40 %
Article 358.30 (A)
AND ANSWERS
Article. 210.20 (A)
What is the allowable Ampacity of a 600 MCM copper conductor type TW?
A) 300 Amps
B) 350 Amps
C) 355 Amps
D) 400 Amps - ANSWER -B) 350 Amps
Article 100 Definitions
The panels of switchboards must be made of?
A) Moisture resistant, noncombustible material
B) Raintight material
C) Impact-resistant material
D) Waterproof material - ANSWER -A) Moisture-resistant, noncombustible material
Article 408.50
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
The value of current, time, or both at which an adjustable circuit breaker is set to trip is
known as?
A) Inverse time
B) Ampacity
C) Automatic
D) Setting - ANSWER -D) Setting.
Art. 100 Definitions
The cross-sectional area of three or more THW conductors in a conduit must not
exceed what percent of the cross-sectional area of the conduit?
A) 30%
B) 40%
C) 50%
D) 60% - ANSWER -B) 40 %
Article 358.30 (A)
