New Jersey Electrical Contractor Examination
Questions And Correct Answers (Verified
Answers) Plus Rationales 2026 Q&A | Instant
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1. The New Jersey Electrical Contractor Examination primarily adopts
which electrical code?
A. International Electrical Code
B. National Electrical Safety Code
C. Uniform Electrical Code
D. National Electrical Code (NEC)
*Rationale: New Jersey bases electrical standards on the NEC as
adopted and amended by the state.
2. In New Jersey, an Electrical Contractor license is issued by which
authority?
A. Department of Labor
B. Board of Architects
C. New Jersey Board of Examiners of Electrical Contractors
D. Division of Fire Safety
*Rationale: The Board of Examiners of Electrical Contractors
regulates licensing.
3. The NEC defines “branch circuit” as the circuit conductors
between which two points?
A. Service point and panelboard
B. Transformer and service equipment
, C. Final overcurrent device and outlets
D. Disconnect and grounding electrode
*Rationale: NEC Article 100 provides this definition.
4. What is the minimum working space depth required in front of
electrical equipment rated 0–150 volts to ground?
A. 24 inches
B. 30 inches
C. 36 inches
D. 42 inches
*Rationale: NEC 110.26 specifies a minimum of 3 feet.
5. What color insulation is used for equipment grounding
conductors?
A. White
B. Gray
C. Green or green with yellow stripes
D. Red
*Rationale: NEC 250 requires green or green/yellow for grounding.
6. What is the maximum allowable voltage drop recommended for
branch circuits?
A. 2%
B. 3%
C. 4%
D. 5%
*Rationale: NEC informational notes recommend 3% for branch
circuits.
7. Which NEC article covers grounding and bonding?
A. Article 110
, B. Article 300
C. Article 250
D. Article 210
*Rationale: Grounding and bonding rules are in Article 250.
8. In residential dwellings, GFCI protection is required for receptacles
in which location?
A. Living rooms
B. Bedrooms
C. Bathrooms
D. Dining rooms
*Rationale: Bathrooms require GFCI protection under NEC 210.8.
9. What is the minimum height clearance for overhead service
conductors above residential driveways?
A. 10 feet
B. 12 feet
C. 12 feet
D. 15 feet
*Rationale: NEC 230.24 requires 12 feet over residential
driveways.
10. What device is designed to protect circuits from overload
and short circuit?
A. Transformer
B. Receptacle
C. Circuit breaker
D. Relay
*Rationale: Circuit breakers provide overcurrent protection.
Questions And Correct Answers (Verified
Answers) Plus Rationales 2026 Q&A | Instant
Download Pdf
1. The New Jersey Electrical Contractor Examination primarily adopts
which electrical code?
A. International Electrical Code
B. National Electrical Safety Code
C. Uniform Electrical Code
D. National Electrical Code (NEC)
*Rationale: New Jersey bases electrical standards on the NEC as
adopted and amended by the state.
2. In New Jersey, an Electrical Contractor license is issued by which
authority?
A. Department of Labor
B. Board of Architects
C. New Jersey Board of Examiners of Electrical Contractors
D. Division of Fire Safety
*Rationale: The Board of Examiners of Electrical Contractors
regulates licensing.
3. The NEC defines “branch circuit” as the circuit conductors
between which two points?
A. Service point and panelboard
B. Transformer and service equipment
, C. Final overcurrent device and outlets
D. Disconnect and grounding electrode
*Rationale: NEC Article 100 provides this definition.
4. What is the minimum working space depth required in front of
electrical equipment rated 0–150 volts to ground?
A. 24 inches
B. 30 inches
C. 36 inches
D. 42 inches
*Rationale: NEC 110.26 specifies a minimum of 3 feet.
5. What color insulation is used for equipment grounding
conductors?
A. White
B. Gray
C. Green or green with yellow stripes
D. Red
*Rationale: NEC 250 requires green or green/yellow for grounding.
6. What is the maximum allowable voltage drop recommended for
branch circuits?
A. 2%
B. 3%
C. 4%
D. 5%
*Rationale: NEC informational notes recommend 3% for branch
circuits.
7. Which NEC article covers grounding and bonding?
A. Article 110
, B. Article 300
C. Article 250
D. Article 210
*Rationale: Grounding and bonding rules are in Article 250.
8. In residential dwellings, GFCI protection is required for receptacles
in which location?
A. Living rooms
B. Bedrooms
C. Bathrooms
D. Dining rooms
*Rationale: Bathrooms require GFCI protection under NEC 210.8.
9. What is the minimum height clearance for overhead service
conductors above residential driveways?
A. 10 feet
B. 12 feet
C. 12 feet
D. 15 feet
*Rationale: NEC 230.24 requires 12 feet over residential
driveways.
10. What device is designed to protect circuits from overload
and short circuit?
A. Transformer
B. Receptacle
C. Circuit breaker
D. Relay
*Rationale: Circuit breakers provide overcurrent protection.
