NYC DCAS ELECTRICIAN EXAM – 300 COMPREHENSIVE PRACTICE
QUESTIONS (NEC 2017/2020 & NYC AMENDMENTS) COMPLETE WITH
100% VERIFIED ANSWERS
1. What is the minimum size copper equipment grounding conductor
required for a 400A feeder protected by a 400A breaker?
A) #4 AWG
B) #2 AWG
C) #1/0 AWG
D) #3/0 AWG
Correct Answer: D
2. In a dwelling unit, hallway receptacles must be located so that no
point along the floor line is more than how many feet from a
receptacle?
A) 6 feet
B) 10 feet
C) 15 feet
D) 20 feet
Correct Answer: B
3. What is the maximum allowable fill for a conduit containing three
conductors?
A) 31%
B) 40%
C) 53%
D) 60%
Correct Answer: B
,4. For a 120/208V, 3-phase, 4-wire system, the high leg (wild leg) must
be identified with what color?
A) White
B) Green
C) Orange
D) Blue
Correct Answer: C
5. When installing PVC conduit in a cold storage warehouse, which of
the following is required?
A) Expansion fittings
B) Threaded hubs
C) Bonding locknuts
D) Factory elbows only
Correct Answer: A
6. A 30 HP, 460V, 3-phase induction motor has a full-load current of
40A. The minimum rated disconnect switch must be at least:
A) 40A
B) 50A
C) 60A
D) 115A
Correct Answer: D
7. What is the minimum clearance for service drop conductors above a
residential flat roof that is not accessible to pedestrians?
A) 8 feet
B) 10 feet
C) 12 feet
,D) 15 feet
Correct Answer: A
8. The maximum number of 10 AWG THHN conductors allowed in 1-
inch EMT is:
A) 10
B) 13
C) 16
D) 20
Correct Answer: C
9. What is the minimum burial depth for rigid metal conduit (RMC)
under a driveway in a residential application?
A) 6 inches
B) 12 inches
C) 18 inches
D) 24 inches
Correct Answer: D
10. A continuous load of 24A on a 240V circuit requires a branch circuit
overcurrent device rated at no less than:
A) 24A
B) 25A
C) 30A
D) 35A
Correct Answer: C
11. Which of the following is permitted to be used as an equipment
grounding conductor for a branch circuit?
A) White insulated conductor re-identified with green tape at both ends
B) Flexible metal conduit over 6 feet long
, C) The metal sheath of a service entrance cable
D) A bare copper conductor run with the circuit conductors
Correct Answer: D
12. In a commercial kitchen, a receptacle installed to serve a countertop
must be GFCI protected and located not more than how many inches
above the counter?
A) 12 inches
B) 18 inches
C) 20 inches
D) 24 inches
Correct Answer: C
13. The minimum size conductor for a 15A branch circuit using copper
is:
A) #14 AWG
B) #12 AWG
C) #10 AWG
D) #8 AWG
Correct Answer: A
14. When using nonmetallic sheathed cable (NM) in an unfinished
basement, it must be protected from physical damage if installed
where?
A) Within 6 feet of the floor
B) Within 5 feet of the floor
C) Within 7 feet of the floor
D) Within 8 feet of the floor
Correct Answer: A
QUESTIONS (NEC 2017/2020 & NYC AMENDMENTS) COMPLETE WITH
100% VERIFIED ANSWERS
1. What is the minimum size copper equipment grounding conductor
required for a 400A feeder protected by a 400A breaker?
A) #4 AWG
B) #2 AWG
C) #1/0 AWG
D) #3/0 AWG
Correct Answer: D
2. In a dwelling unit, hallway receptacles must be located so that no
point along the floor line is more than how many feet from a
receptacle?
A) 6 feet
B) 10 feet
C) 15 feet
D) 20 feet
Correct Answer: B
3. What is the maximum allowable fill for a conduit containing three
conductors?
A) 31%
B) 40%
C) 53%
D) 60%
Correct Answer: B
,4. For a 120/208V, 3-phase, 4-wire system, the high leg (wild leg) must
be identified with what color?
A) White
B) Green
C) Orange
D) Blue
Correct Answer: C
5. When installing PVC conduit in a cold storage warehouse, which of
the following is required?
A) Expansion fittings
B) Threaded hubs
C) Bonding locknuts
D) Factory elbows only
Correct Answer: A
6. A 30 HP, 460V, 3-phase induction motor has a full-load current of
40A. The minimum rated disconnect switch must be at least:
A) 40A
B) 50A
C) 60A
D) 115A
Correct Answer: D
7. What is the minimum clearance for service drop conductors above a
residential flat roof that is not accessible to pedestrians?
A) 8 feet
B) 10 feet
C) 12 feet
,D) 15 feet
Correct Answer: A
8. The maximum number of 10 AWG THHN conductors allowed in 1-
inch EMT is:
A) 10
B) 13
C) 16
D) 20
Correct Answer: C
9. What is the minimum burial depth for rigid metal conduit (RMC)
under a driveway in a residential application?
A) 6 inches
B) 12 inches
C) 18 inches
D) 24 inches
Correct Answer: D
10. A continuous load of 24A on a 240V circuit requires a branch circuit
overcurrent device rated at no less than:
A) 24A
B) 25A
C) 30A
D) 35A
Correct Answer: C
11. Which of the following is permitted to be used as an equipment
grounding conductor for a branch circuit?
A) White insulated conductor re-identified with green tape at both ends
B) Flexible metal conduit over 6 feet long
, C) The metal sheath of a service entrance cable
D) A bare copper conductor run with the circuit conductors
Correct Answer: D
12. In a commercial kitchen, a receptacle installed to serve a countertop
must be GFCI protected and located not more than how many inches
above the counter?
A) 12 inches
B) 18 inches
C) 20 inches
D) 24 inches
Correct Answer: C
13. The minimum size conductor for a 15A branch circuit using copper
is:
A) #14 AWG
B) #12 AWG
C) #10 AWG
D) #8 AWG
Correct Answer: A
14. When using nonmetallic sheathed cable (NM) in an unfinished
basement, it must be protected from physical damage if installed
where?
A) Within 6 feet of the floor
B) Within 5 feet of the floor
C) Within 7 feet of the floor
D) Within 8 feet of the floor
Correct Answer: A
