Journeyman Electrician Licensing Examination
Questions And Correct Answers (Verified Answers)
Plus Rationales 2025/2026 Q&A |Already graded A+
1. What is the minimum cover depth for rigid metal conduit (RMC) installed
under a residential driveway?
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
Answer: C
Rigid metal conduit under a driveway requires at least 18 inches of cover per
NEC burial depth tables.
2. What is the primary purpose of grounding electrical systems?
A. To save energy
B. To improve voltage stability
C. To protect people and equipment from electrical faults
D. To prevent corrosion
Answer: C
Grounding provides a safe path for fault current, reducing shock and fire
hazards.
3. Which conductor is bonded to the grounding electrode system?
A. Equipment grounding conductor
B. Grounded (neutral) conductor
C. Ungrounded conductor
D. Line conductor
Answer: B
The grounded conductor (neutral) is bonded to the grounding electrode at the
service.
,4. What color insulation identifies an equipment grounding conductor?
A. White
B. Gray
C. Green or bare
D. Red
Answer: C
Green or bare conductors are reserved for equipment grounding.
5. What NEC article covers grounding and bonding?
A. Article 110
B. Article 210
C. Article 300
D. Article 250
Answer: D
Article 250 addresses grounding and bonding requirements.
6. A GFCI is required in which of the following locations?
A. Dining room
B. Living room
C. Bathroom
D. Bedroom
Answer: C
Bathrooms require GFCI protection due to increased shock risk.
7. What is the maximum allowable voltage drop for a branch circuit?
A. 1%
B. 3%
C. 5%
D. 10%
Answer: B
The NEC recommends a maximum of 3% voltage drop on branch circuits.
, 8. What is the function of a circuit breaker?
A. Measure current
B. Interrupt current during overload or fault
C. Regulate voltage
D. Store energy
Answer: B
Circuit breakers protect conductors and equipment from overcurrent.
9. What tool is used to verify absence of voltage?
A. Clamp meter
B. Ohmmeter
C. Voltage tester
D. Megger
Answer: C
Voltage testers confirm whether circuits are energized.
10. What is the minimum working clearance in front of electrical panels up to
150V?
A. 24 inches
B. 36 inches
C. 42 inches
D. 48 inches
Answer: B
NEC requires 36 inches of clear working space.
11. Which wiring method is NOT permitted in wet locations?
A. PVC conduit
B. Liquidtight flexible conduit
C. Nonmetallic-sheathed cable (NM)
D. Rigid metal conduit
Questions And Correct Answers (Verified Answers)
Plus Rationales 2025/2026 Q&A |Already graded A+
1. What is the minimum cover depth for rigid metal conduit (RMC) installed
under a residential driveway?
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
Answer: C
Rigid metal conduit under a driveway requires at least 18 inches of cover per
NEC burial depth tables.
2. What is the primary purpose of grounding electrical systems?
A. To save energy
B. To improve voltage stability
C. To protect people and equipment from electrical faults
D. To prevent corrosion
Answer: C
Grounding provides a safe path for fault current, reducing shock and fire
hazards.
3. Which conductor is bonded to the grounding electrode system?
A. Equipment grounding conductor
B. Grounded (neutral) conductor
C. Ungrounded conductor
D. Line conductor
Answer: B
The grounded conductor (neutral) is bonded to the grounding electrode at the
service.
,4. What color insulation identifies an equipment grounding conductor?
A. White
B. Gray
C. Green or bare
D. Red
Answer: C
Green or bare conductors are reserved for equipment grounding.
5. What NEC article covers grounding and bonding?
A. Article 110
B. Article 210
C. Article 300
D. Article 250
Answer: D
Article 250 addresses grounding and bonding requirements.
6. A GFCI is required in which of the following locations?
A. Dining room
B. Living room
C. Bathroom
D. Bedroom
Answer: C
Bathrooms require GFCI protection due to increased shock risk.
7. What is the maximum allowable voltage drop for a branch circuit?
A. 1%
B. 3%
C. 5%
D. 10%
Answer: B
The NEC recommends a maximum of 3% voltage drop on branch circuits.
, 8. What is the function of a circuit breaker?
A. Measure current
B. Interrupt current during overload or fault
C. Regulate voltage
D. Store energy
Answer: B
Circuit breakers protect conductors and equipment from overcurrent.
9. What tool is used to verify absence of voltage?
A. Clamp meter
B. Ohmmeter
C. Voltage tester
D. Megger
Answer: C
Voltage testers confirm whether circuits are energized.
10. What is the minimum working clearance in front of electrical panels up to
150V?
A. 24 inches
B. 36 inches
C. 42 inches
D. 48 inches
Answer: B
NEC requires 36 inches of clear working space.
11. Which wiring method is NOT permitted in wet locations?
A. PVC conduit
B. Liquidtight flexible conduit
C. Nonmetallic-sheathed cable (NM)
D. Rigid metal conduit
