NYC ELECTRICIAN EXAM QUESTIONS
AND ANSWERS
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 - Correct Answers -D) Setting.
Art. 100 Defintions
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% - Correct Answers -B) 40 %
Chapter 9 Table 1
EMT must be supported within what distance from an outlet box, junction box, device
box, cabinet, conduit body or other terminations?
A) 3 feet
B) 4 feet
C) 5 feet
D) 6 feet - Correct Answers -A) 3 feet
Article 358.30 (A)
When a branch circuit feeds both noncontinuous and continuous loads, the circuit must
be sized to accommodate 100% of the noncontinuous load plus what percent of the
continuous load?
A) 110%
B) 115%
, C) 120 %
D) 125% - Correct Answers -D) 125%
Article. 210.20 (A)
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 Answers -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 - Correct Answers -C) 125% of its nameplate rating
Article 422.13
The walls and roofs of transformer vaults shall be constructed of materials that have
adequate structural strength for the conditions with a minimum fire-resistance rating of
______ hours?
A) 2
B) 3
C) 4
D) 6 - Correct Answers -B) 3
Article 450.42
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 - Correct Answers -B) 350 Amps
Table- 310.16
AND ANSWERS
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 - Correct Answers -D) Setting.
Art. 100 Defintions
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% - Correct Answers -B) 40 %
Chapter 9 Table 1
EMT must be supported within what distance from an outlet box, junction box, device
box, cabinet, conduit body or other terminations?
A) 3 feet
B) 4 feet
C) 5 feet
D) 6 feet - Correct Answers -A) 3 feet
Article 358.30 (A)
When a branch circuit feeds both noncontinuous and continuous loads, the circuit must
be sized to accommodate 100% of the noncontinuous load plus what percent of the
continuous load?
A) 110%
B) 115%
, C) 120 %
D) 125% - Correct Answers -D) 125%
Article. 210.20 (A)
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 Answers -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 - Correct Answers -C) 125% of its nameplate rating
Article 422.13
The walls and roofs of transformer vaults shall be constructed of materials that have
adequate structural strength for the conditions with a minimum fire-resistance rating of
______ hours?
A) 2
B) 3
C) 4
D) 6 - Correct Answers -B) 3
Article 450.42
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 - Correct Answers -B) 350 Amps
Table- 310.16
