JOURNEYMAN ELECTRICIAN REAL QUESTIONS + DETAILED
ANSWERS - LATEST VERSION - TOP RATED (2026/2027)
Q1. According to the NEC, what is the minimum cover requirement for direct-
buried conductors in residential 120V circuits?
A. 6 inches
B. 12 inches
C. 24 inches
D. 18 inches
Answer: B. 12 inches
Q2. The NEC is published by which organization?
A. OSHA
B. IEEE
C. NFPA
D. UL
Answer: C. NFPA
Q3. What NEC article covers general wiring methods?
A. Article 100
B. Article 200
C. Article 300
D. Article 400
Answer: C. Article 300
Q4. What does AFCI stand for?
A. Arc Fault Circuit Interrupter
B. Alternate Frequency Circuit Interrupter
C. Arc Frequency Circuit Indicator
D. Alternating Fault Current Interrupter
Answer: A. Arc Fault Circuit Interrupter
Q5. GFCI protection is required in bathrooms — which statement is correct?
A. Within 3 feet of water
B. Within 6 feet of water
C. All receptacles in the bathroom
D. Within 12 feet of water
Journeyman Electrician Study Guide | 300 Questions
, Answer: C. All receptacles in the bathroom
Q6. What NEC article covers services?
A. Article 220
B. Article 230
C. Article 240
D. Article 250
Answer: B. Article 230
Q7. According to the NEC, the maximum number of overcurrent devices in a
panelboard is:
A. 30
B. 42
C. 60
D. No limit
Answer: B. 42
Q8. Which NEC article covers overcurrent protection?
A. Article 220
B. Article 230
C. Article 240
D. Article 250
Answer: C. Article 240
Q9. NEC Article 250 covers:
A. Services
B. Overcurrent protection
C. Grounding and bonding
D. Wiring methods
Answer: C. Grounding and bonding
Q10. What is the minimum wire bending space at terminals for a 350 kcmil
conductor?
A. 3 inches
B. 4 inches
C. 5 inches
D. 6 inches
Answer: C. 5 inches
Q11. Receptacles in a kitchen countertop must be within how many feet of
any point along the countertop?
Journeyman Electrician Study Guide | 300 Questions
, A. 2 feet
B. 4 feet
C. 6 feet
D. 8 feet
Answer: A. 2 feet
Q12. What NEC article covers motors?
A. Article 430
B. Article 440
C. Article 450
D. Article 460
Answer: A. Article 430
Q13. The NEC requires working space in front of electrical equipment to be at
least:
A. 18 inches
B. 24 inches
C. 30 inches
D. 36 inches
Answer: C. 30 inches
Q14. Which wire color is used for the grounded (neutral) conductor per NEC?
A. Green
B. White or gray
C. Red
D. Black
Answer: B. White or gray
Q15. NEC Article 310 covers:
A. Conductors for general wiring
B. Conduit and tubing
C. Overcurrent protection
D. Services
Answer: A. Conductors for general wiring
Q16. What article covers transformers?
A. Article 430
B. Article 440
C. Article 450
D. Article 460
Journeyman Electrician Study Guide | 300 Questions
, Answer: C. Article 450
Q17. The NEC requires bonding of metal water piping systems within:
A. 3 feet of entrance
B. 5 feet of entrance
C. At the water heater
D. At the main panel
Answer: B. 5 feet of entrance
Q18. AFCIs are required in NEC for which locations?
A. Bathrooms only
B. Kitchens only
C. Bedrooms and most living areas
D. Garages only
Answer: C. Bedrooms and most living areas
Q19. What NEC article covers switchboards and panelboards?
A. Article 408
B. Article 410
C. Article 422
D. Article 430
Answer: A. Article 408
Q20. Per NEC, the minimum headroom above electrical panels must be at
least:
A. 5 feet
B. 6 feet
C. 6.5 feet
D. 7 feet
Answer: C. 6.5 feet
Q21. Which NEC article addresses luminaires (lighting fixtures)?
A. Article 408
B. Article 410
C. Article 422
D. Article 424
Answer: B. Article 410
Q22. NEC requires GFCI protection for outdoor receptacles.
A. True
B. False
Journeyman Electrician Study Guide | 300 Questions
ANSWERS - LATEST VERSION - TOP RATED (2026/2027)
Q1. According to the NEC, what is the minimum cover requirement for direct-
buried conductors in residential 120V circuits?
A. 6 inches
B. 12 inches
C. 24 inches
D. 18 inches
Answer: B. 12 inches
Q2. The NEC is published by which organization?
A. OSHA
B. IEEE
C. NFPA
D. UL
Answer: C. NFPA
Q3. What NEC article covers general wiring methods?
A. Article 100
B. Article 200
C. Article 300
D. Article 400
Answer: C. Article 300
Q4. What does AFCI stand for?
A. Arc Fault Circuit Interrupter
B. Alternate Frequency Circuit Interrupter
C. Arc Frequency Circuit Indicator
D. Alternating Fault Current Interrupter
Answer: A. Arc Fault Circuit Interrupter
Q5. GFCI protection is required in bathrooms — which statement is correct?
A. Within 3 feet of water
B. Within 6 feet of water
C. All receptacles in the bathroom
D. Within 12 feet of water
Journeyman Electrician Study Guide | 300 Questions
, Answer: C. All receptacles in the bathroom
Q6. What NEC article covers services?
A. Article 220
B. Article 230
C. Article 240
D. Article 250
Answer: B. Article 230
Q7. According to the NEC, the maximum number of overcurrent devices in a
panelboard is:
A. 30
B. 42
C. 60
D. No limit
Answer: B. 42
Q8. Which NEC article covers overcurrent protection?
A. Article 220
B. Article 230
C. Article 240
D. Article 250
Answer: C. Article 240
Q9. NEC Article 250 covers:
A. Services
B. Overcurrent protection
C. Grounding and bonding
D. Wiring methods
Answer: C. Grounding and bonding
Q10. What is the minimum wire bending space at terminals for a 350 kcmil
conductor?
A. 3 inches
B. 4 inches
C. 5 inches
D. 6 inches
Answer: C. 5 inches
Q11. Receptacles in a kitchen countertop must be within how many feet of
any point along the countertop?
Journeyman Electrician Study Guide | 300 Questions
, A. 2 feet
B. 4 feet
C. 6 feet
D. 8 feet
Answer: A. 2 feet
Q12. What NEC article covers motors?
A. Article 430
B. Article 440
C. Article 450
D. Article 460
Answer: A. Article 430
Q13. The NEC requires working space in front of electrical equipment to be at
least:
A. 18 inches
B. 24 inches
C. 30 inches
D. 36 inches
Answer: C. 30 inches
Q14. Which wire color is used for the grounded (neutral) conductor per NEC?
A. Green
B. White or gray
C. Red
D. Black
Answer: B. White or gray
Q15. NEC Article 310 covers:
A. Conductors for general wiring
B. Conduit and tubing
C. Overcurrent protection
D. Services
Answer: A. Conductors for general wiring
Q16. What article covers transformers?
A. Article 430
B. Article 440
C. Article 450
D. Article 460
Journeyman Electrician Study Guide | 300 Questions
, Answer: C. Article 450
Q17. The NEC requires bonding of metal water piping systems within:
A. 3 feet of entrance
B. 5 feet of entrance
C. At the water heater
D. At the main panel
Answer: B. 5 feet of entrance
Q18. AFCIs are required in NEC for which locations?
A. Bathrooms only
B. Kitchens only
C. Bedrooms and most living areas
D. Garages only
Answer: C. Bedrooms and most living areas
Q19. What NEC article covers switchboards and panelboards?
A. Article 408
B. Article 410
C. Article 422
D. Article 430
Answer: A. Article 408
Q20. Per NEC, the minimum headroom above electrical panels must be at
least:
A. 5 feet
B. 6 feet
C. 6.5 feet
D. 7 feet
Answer: C. 6.5 feet
Q21. Which NEC article addresses luminaires (lighting fixtures)?
A. Article 408
B. Article 410
C. Article 422
D. Article 424
Answer: B. Article 410
Q22. NEC requires GFCI protection for outdoor receptacles.
A. True
B. False
Journeyman Electrician Study Guide | 300 Questions