NYC Electrician (NYC H+H) Exam
Practice Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. Which type of conductor is most commonly used for branch circuits in
residential wiring?
A. Aluminum
B. Copper
C. Silver
D. Iron
Answer: Copper
Rationale: Copper is preferred for residential branch circuits due to its high
conductivity and reliability._
, 2. According to the National Electrical Code (NEC), what is the minimum
burial depth for a nonmetallic-sheathed cable in residential
construction?
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
Answer: 18 inches
Rationale: NEC requires nonmetallic-sheathed cables to be buried at least
18 inches underground to prevent accidental damage._
3. A GFCI outlet is required in which of the following locations?
A. Living room
B. Bathroom
C. Bedroom
D. Dining room
Answer: Bathroom
Rationale: GFCI outlets protect against ground faults and are required in
wet or damp locations like bathrooms._
4. What is the standard voltage for most residential circuits in New York
City?
, A. 120/208 V
B. 208 V
C. 120/240 V
D. 277 V
Answer: 120/240 V
Rationale: Residential homes in NYC typically use split-phase 120/240 V
systems._
5. Which color is generally used for grounding conductors?
A. White
B. Black
C. Green
D. Red
Answer: Green
Rationale: Grounding conductors are green or bare to clearly identify them
from hot and neutral wires._
6. In NYC H+H facilities, the electrical panel must have which of the
following?
A. Locking mechanism
B. Clear working space
, C. Paint coating
D. Automatic shutters
Answer: Clear working space
Rationale: NEC requires a minimum clear working space in front of
electrical panels for safety and maintenance._
7. What device protects a circuit from overcurrent conditions?
A. Transformer
B. Capacitor
C. Circuit breaker
D. Switch
Answer: Circuit breaker
Rationale: Circuit breakers automatically interrupt electrical flow in the
event of overcurrent to prevent damage and fires._
8. Which NEC article covers grounding and bonding?
A. Article 210
B. Article 240
C. Article 250
D. Article 310
Practice Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. Which type of conductor is most commonly used for branch circuits in
residential wiring?
A. Aluminum
B. Copper
C. Silver
D. Iron
Answer: Copper
Rationale: Copper is preferred for residential branch circuits due to its high
conductivity and reliability._
, 2. According to the National Electrical Code (NEC), what is the minimum
burial depth for a nonmetallic-sheathed cable in residential
construction?
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
Answer: 18 inches
Rationale: NEC requires nonmetallic-sheathed cables to be buried at least
18 inches underground to prevent accidental damage._
3. A GFCI outlet is required in which of the following locations?
A. Living room
B. Bathroom
C. Bedroom
D. Dining room
Answer: Bathroom
Rationale: GFCI outlets protect against ground faults and are required in
wet or damp locations like bathrooms._
4. What is the standard voltage for most residential circuits in New York
City?
, A. 120/208 V
B. 208 V
C. 120/240 V
D. 277 V
Answer: 120/240 V
Rationale: Residential homes in NYC typically use split-phase 120/240 V
systems._
5. Which color is generally used for grounding conductors?
A. White
B. Black
C. Green
D. Red
Answer: Green
Rationale: Grounding conductors are green or bare to clearly identify them
from hot and neutral wires._
6. In NYC H+H facilities, the electrical panel must have which of the
following?
A. Locking mechanism
B. Clear working space
, C. Paint coating
D. Automatic shutters
Answer: Clear working space
Rationale: NEC requires a minimum clear working space in front of
electrical panels for safety and maintenance._
7. What device protects a circuit from overcurrent conditions?
A. Transformer
B. Capacitor
C. Circuit breaker
D. Switch
Answer: Circuit breaker
Rationale: Circuit breakers automatically interrupt electrical flow in the
event of overcurrent to prevent damage and fires._
8. Which NEC article covers grounding and bonding?
A. Article 210
B. Article 240
C. Article 250
D. Article 310
