NEC Journeyman Electrician Examination
Practice – 100 Questions And Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
1. What is the purpose of the National Electrical Code (NEC)?
A. To provide design specifications for electrical equipment
B. To ensure electrical systems are aesthetically pleasing
C. To safeguard persons and property from electrical hazards
D. To regulate utility company operations
Correct Answer: C. The NEC’s primary purpose is safety, focusing on
preventing electrical hazards to people and property.
2. Which NEC article covers general requirements for electrical
installations?
A. Article 90
B. Article 110
C. Article 210
D. Article 300
, Correct Answer: B. Article 110 contains general requirements such as
workmanship, approval, and electrical connections.
3. What is the minimum working space depth required in front of
electrical equipment rated 0–150 volts to ground?
A. 2 feet
B. 3 feet
C. 4 feet
D. 6 feet
Correct Answer: B. NEC 110.26 requires a minimum of 3 feet of clear
working space.
4. Which conductor is intentionally grounded?
A. Equipment grounding conductor
B. Bonding jumper
C. Grounded (neutral) conductor
D. Ungrounded conductor
Correct Answer: C. The grounded conductor is intentionally
connected to earth ground.
5. What color is typically used to identify grounded conductors?
A. Green
B. Red
C. White or gray
D. Black
, Correct Answer: C. NEC requires grounded conductors to be identified
by white or gray insulation.
6. What NEC article covers branch circuits?
A. Article 100
B. Article 210
C. Article 220
D. Article 240
Correct Answer: B. Article 210 governs branch circuits, including
ratings and outlets.
7. What is the maximum load permitted on a continuous load?
A. 100% of circuit rating
B. 80% of circuit rating
C. 90% of circuit rating
D. 70% of circuit rating
Correct Answer: B. Continuous loads must not exceed 80% of the
circuit’s rating.
8. Which device protects against ground-fault currents?
A. AFCI
B. Fuse
C. Circuit breaker
D. GFCI
Correct Answer: D. GFCIs protect people by interrupting ground-fault
current.
, 9. Where are GFCI receptacles required in dwelling units?
A. Bedrooms only
B. Living rooms
C. Bathrooms
D. Dining rooms
Correct Answer: C. Bathrooms require GFCI protection due to
increased shock risk.
10. What NEC article covers grounding and bonding?
A. Article 210
B. Article 240
C. Article 300
D. Article 250
Correct Answer: D. Article 250 addresses grounding and bonding
requirements.
11. What is the purpose of bonding?
A. To increase voltage
B. To ensure electrical continuity and fault current path
C. To reduce conductor size
D. To insulate equipment
Correct Answer: B. Bonding ensures a low-impedance path for fault
current.
12. Which conductor provides a path for fault current back to the
source?
Practice – 100 Questions And Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
1. What is the purpose of the National Electrical Code (NEC)?
A. To provide design specifications for electrical equipment
B. To ensure electrical systems are aesthetically pleasing
C. To safeguard persons and property from electrical hazards
D. To regulate utility company operations
Correct Answer: C. The NEC’s primary purpose is safety, focusing on
preventing electrical hazards to people and property.
2. Which NEC article covers general requirements for electrical
installations?
A. Article 90
B. Article 110
C. Article 210
D. Article 300
, Correct Answer: B. Article 110 contains general requirements such as
workmanship, approval, and electrical connections.
3. What is the minimum working space depth required in front of
electrical equipment rated 0–150 volts to ground?
A. 2 feet
B. 3 feet
C. 4 feet
D. 6 feet
Correct Answer: B. NEC 110.26 requires a minimum of 3 feet of clear
working space.
4. Which conductor is intentionally grounded?
A. Equipment grounding conductor
B. Bonding jumper
C. Grounded (neutral) conductor
D. Ungrounded conductor
Correct Answer: C. The grounded conductor is intentionally
connected to earth ground.
5. What color is typically used to identify grounded conductors?
A. Green
B. Red
C. White or gray
D. Black
, Correct Answer: C. NEC requires grounded conductors to be identified
by white or gray insulation.
6. What NEC article covers branch circuits?
A. Article 100
B. Article 210
C. Article 220
D. Article 240
Correct Answer: B. Article 210 governs branch circuits, including
ratings and outlets.
7. What is the maximum load permitted on a continuous load?
A. 100% of circuit rating
B. 80% of circuit rating
C. 90% of circuit rating
D. 70% of circuit rating
Correct Answer: B. Continuous loads must not exceed 80% of the
circuit’s rating.
8. Which device protects against ground-fault currents?
A. AFCI
B. Fuse
C. Circuit breaker
D. GFCI
Correct Answer: D. GFCIs protect people by interrupting ground-fault
current.
, 9. Where are GFCI receptacles required in dwelling units?
A. Bedrooms only
B. Living rooms
C. Bathrooms
D. Dining rooms
Correct Answer: C. Bathrooms require GFCI protection due to
increased shock risk.
10. What NEC article covers grounding and bonding?
A. Article 210
B. Article 240
C. Article 300
D. Article 250
Correct Answer: D. Article 250 addresses grounding and bonding
requirements.
11. What is the purpose of bonding?
A. To increase voltage
B. To ensure electrical continuity and fault current path
C. To reduce conductor size
D. To insulate equipment
Correct Answer: B. Bonding ensures a low-impedance path for fault
current.
12. Which conductor provides a path for fault current back to the
source?
