NYC Electrician Exam Questions and Correct
Answers
Question 1
What is the maximum overcurrent protective device allowed on a 480 volt branch
circuit with several small motors connected all of which are under 1 HP and the
maximum load of each motor is 5 amps?
A) 10 amps
B) 15 amps
C) 20 amps
D) 30 amps
Correct Answer
B) 15 amps
Article 430.53 (A)
Question 2
What is the highest position the operating handle of a safety switch or circuit breaker
may be located above the floor or working platform under the normal working
conditions?
A) 4 ft 6 in
B) 5 ft
C) 6 ft
D) 6 ft 7 in
Correct Answer
D) 6 ft 7 in
Article 404.8 (A)
Page 1 of 24
,Question 3
The smallest size conduit allowed to enclose motor terminals from a junction box is?
A) 1/2 inch
B) 1 inch
C) 1 1/2 inch
D) 3/8 inch
Correct Answer
D 3/8 inch
Article 430.245 (B)
Question 4
In Class I, Division 1 locations, a conduit to a splice box must be sealed if if the trade
size is?
A) 1 inch or larger
B) 2 1/2 inches or larger
C) 2 inches or larger
D) 1/2 inch or larger
Correct Answer
C) 2 inches or larger
Article 501.15 (A) (1)
Question 5
If a conductor is covered, it is?
A) encased with an insulation recognized by the code
B) encased with an outer covering not recognized as electrical insulation by the code
C) effectively isolated from ground faults
D) covered with a material of a composition and thickness recognized by UL
Correct Answer
B) encased with an outer covering not recognized as electrical insulation by the
code
Article 100 defintions
Page 2 of 24
, Question 6
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
Correct Answer
A) metal underground gas piping
Article 250.52 (B)
Question 7
In a 3 wire, 3 phase AC system feeding a motor, with one conductor grounded, where
must fuses for motor overload protection be inserted in the circuit?
A) a fuse must be inserted in each ungrounded conductor and also in the grounded
conductor
B) no fuses are required for motor overload protection
C) a fuse must be inserted only in each ungrounded conductor
D) none of the above answers is correct
Correct Answer
A) a fuse must be inserted in each ungrounded conductor and also in the grounded
conductor
Article 430.36
Question 8
The portion of a wiring system between a point of distribution and the branch circuit
overcurrent device is called the?
A) branch circuit
B) service entrance
C) feeder
D) tap conductor
Correct Answer
C) feeder
Page 3 of 24
Answers
Question 1
What is the maximum overcurrent protective device allowed on a 480 volt branch
circuit with several small motors connected all of which are under 1 HP and the
maximum load of each motor is 5 amps?
A) 10 amps
B) 15 amps
C) 20 amps
D) 30 amps
Correct Answer
B) 15 amps
Article 430.53 (A)
Question 2
What is the highest position the operating handle of a safety switch or circuit breaker
may be located above the floor or working platform under the normal working
conditions?
A) 4 ft 6 in
B) 5 ft
C) 6 ft
D) 6 ft 7 in
Correct Answer
D) 6 ft 7 in
Article 404.8 (A)
Page 1 of 24
,Question 3
The smallest size conduit allowed to enclose motor terminals from a junction box is?
A) 1/2 inch
B) 1 inch
C) 1 1/2 inch
D) 3/8 inch
Correct Answer
D 3/8 inch
Article 430.245 (B)
Question 4
In Class I, Division 1 locations, a conduit to a splice box must be sealed if if the trade
size is?
A) 1 inch or larger
B) 2 1/2 inches or larger
C) 2 inches or larger
D) 1/2 inch or larger
Correct Answer
C) 2 inches or larger
Article 501.15 (A) (1)
Question 5
If a conductor is covered, it is?
A) encased with an insulation recognized by the code
B) encased with an outer covering not recognized as electrical insulation by the code
C) effectively isolated from ground faults
D) covered with a material of a composition and thickness recognized by UL
Correct Answer
B) encased with an outer covering not recognized as electrical insulation by the
code
Article 100 defintions
Page 2 of 24
, Question 6
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
Correct Answer
A) metal underground gas piping
Article 250.52 (B)
Question 7
In a 3 wire, 3 phase AC system feeding a motor, with one conductor grounded, where
must fuses for motor overload protection be inserted in the circuit?
A) a fuse must be inserted in each ungrounded conductor and also in the grounded
conductor
B) no fuses are required for motor overload protection
C) a fuse must be inserted only in each ungrounded conductor
D) none of the above answers is correct
Correct Answer
A) a fuse must be inserted in each ungrounded conductor and also in the grounded
conductor
Article 430.36
Question 8
The portion of a wiring system between a point of distribution and the branch circuit
overcurrent device is called the?
A) branch circuit
B) service entrance
C) feeder
D) tap conductor
Correct Answer
C) feeder
Page 3 of 24
