1|Page
NYC ELECTRICIAN ACTUAL EXAM PREP
2026 ALL QUESTIONS AND CORRECT
DETAILED ANSWERS ALREADY A GRADED
WITH EXPERT FEEDBACK | NEW AND
REVISED
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
,2|Page
D) 150% of its nameplate rating - ANSWER- 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 - ANSWER- B) 3
Article 450.42
Unit equipment for emergency systems shall be on the same circuit that
serves the normal lighting in the area and connected ______ any local
switches?
A) with
B) ahead of
C) after
D) downstream of - ANSWER- B) ahead of
, 3|Page
Article 700.12 (B)
On a heavy starting duty wound rotor motor, the secondary resistor leads
shall have current capacity of at least?
A) 35%
B) 45%
C) 85%
D) 110% - ANSWER- B) 45%
Article 430.23
Based on a current density of 1000 amps per sq inch, a copper bus bar
measuring 3/16" X 1 1/2" would carry a current of?
A) 1000 amps
B) 560 amps
C) 320 amps
D) 280 amps - ANSWER- D) 280 amps
CC= W X TH X 1000
3/16" X 1 1/2 "
.187 X 1.5 X 1000= 280.5
NYC ELECTRICIAN ACTUAL EXAM PREP
2026 ALL QUESTIONS AND CORRECT
DETAILED ANSWERS ALREADY A GRADED
WITH EXPERT FEEDBACK | NEW AND
REVISED
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
,2|Page
D) 150% of its nameplate rating - ANSWER- 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 - ANSWER- B) 3
Article 450.42
Unit equipment for emergency systems shall be on the same circuit that
serves the normal lighting in the area and connected ______ any local
switches?
A) with
B) ahead of
C) after
D) downstream of - ANSWER- B) ahead of
, 3|Page
Article 700.12 (B)
On a heavy starting duty wound rotor motor, the secondary resistor leads
shall have current capacity of at least?
A) 35%
B) 45%
C) 85%
D) 110% - ANSWER- B) 45%
Article 430.23
Based on a current density of 1000 amps per sq inch, a copper bus bar
measuring 3/16" X 1 1/2" would carry a current of?
A) 1000 amps
B) 560 amps
C) 320 amps
D) 280 amps - ANSWER- D) 280 amps
CC= W X TH X 1000
3/16" X 1 1/2 "
.187 X 1.5 X 1000= 280.5
