Journeyman Electrician Licensing Exam
Practice Test 100 Questions And
Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A Instant
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1. What is the primary function of an equipment grounding conductor?
A. To carry normal circuit current
B. To increase circuit voltage
C. To provide a low-impedance path for fault current
D. To reduce the resistance of the load
The equipment grounding conductor provides a fault-current path that allows
the overcurrent device to operate quickly.
2. A 120-volt circuit supplies a 24-ohm resistive load. What is the current
drawn by the load?
A. 2.5 A
B. 5 A
C. 10 A
D. 20 A
Using Ohm's law, I = E / R = = 5 A.
3. A continuous load is calculated at 32 amperes. What is the minimum
ampacity required for the branch-circuit conductors when the continuous-
load factor is 125%?
A. 32 A
,B. 36 A
C. 40 A
D. 45 A
The required ampacity is 32 × 1.25 = 40 A.
4. A 240-volt load draws 18 amperes. Approximately how much power does
the load consume?
A. 2,160 W
B. 3,240 W
C. 4,320 W
D. 5,760 W
Power is P = E × I = 240 × 18 = 4,320 watts.
5. Which device is primarily intended to protect people from electric shock
caused by ground-fault current?
A. AFCI
B. GFCI
C. Circuit breaker
D. Surge protector
A GFCI detects an imbalance between current leaving and returning through
the circuit and interrupts the circuit when the leakage reaches its trip level.
6. Two 120-volt resistive loads are connected in parallel across a 120-volt
source. If one load is 12 ohms and the other is 24 ohms, what is the total
current?
A. 5 A
B. 10 A
C. 15 A
D. 20 A
, The 12-ohm load draws 10 A and the 24-ohm load draws 5 A. Parallel
currents add to 15 A.
7. What happens to conductor resistance when conductor length is increased
while all other characteristics remain constant?
A. It decreases
B. It remains unchanged
C. It increases
D. It becomes zero
Resistance is directly proportional to conductor length.
8. A 20-ampere branch circuit supplies a continuous load. What is the
maximum continuous load permitted when the circuit is rated according to
the 80% rule?
A. 12 A
B. 16 A
C. 18 A
D. 20 A
The continuous load is limited to 20 × 0.80 = 16 amperes.
9. Which wiring method provides individual insulated conductors enclosed
within a metallic or nonmetallic raceway?
A. NM cable
B. SE cable
C. Raceway wiring
D. Armored cable only
Raceway systems contain individual conductors within a designated raceway.
10. What is the main function of a circuit breaker?
A. Limit normal load current
Practice Test 100 Questions And
Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A Instant
Download Pdf
1. What is the primary function of an equipment grounding conductor?
A. To carry normal circuit current
B. To increase circuit voltage
C. To provide a low-impedance path for fault current
D. To reduce the resistance of the load
The equipment grounding conductor provides a fault-current path that allows
the overcurrent device to operate quickly.
2. A 120-volt circuit supplies a 24-ohm resistive load. What is the current
drawn by the load?
A. 2.5 A
B. 5 A
C. 10 A
D. 20 A
Using Ohm's law, I = E / R = = 5 A.
3. A continuous load is calculated at 32 amperes. What is the minimum
ampacity required for the branch-circuit conductors when the continuous-
load factor is 125%?
A. 32 A
,B. 36 A
C. 40 A
D. 45 A
The required ampacity is 32 × 1.25 = 40 A.
4. A 240-volt load draws 18 amperes. Approximately how much power does
the load consume?
A. 2,160 W
B. 3,240 W
C. 4,320 W
D. 5,760 W
Power is P = E × I = 240 × 18 = 4,320 watts.
5. Which device is primarily intended to protect people from electric shock
caused by ground-fault current?
A. AFCI
B. GFCI
C. Circuit breaker
D. Surge protector
A GFCI detects an imbalance between current leaving and returning through
the circuit and interrupts the circuit when the leakage reaches its trip level.
6. Two 120-volt resistive loads are connected in parallel across a 120-volt
source. If one load is 12 ohms and the other is 24 ohms, what is the total
current?
A. 5 A
B. 10 A
C. 15 A
D. 20 A
, The 12-ohm load draws 10 A and the 24-ohm load draws 5 A. Parallel
currents add to 15 A.
7. What happens to conductor resistance when conductor length is increased
while all other characteristics remain constant?
A. It decreases
B. It remains unchanged
C. It increases
D. It becomes zero
Resistance is directly proportional to conductor length.
8. A 20-ampere branch circuit supplies a continuous load. What is the
maximum continuous load permitted when the circuit is rated according to
the 80% rule?
A. 12 A
B. 16 A
C. 18 A
D. 20 A
The continuous load is limited to 20 × 0.80 = 16 amperes.
9. Which wiring method provides individual insulated conductors enclosed
within a metallic or nonmetallic raceway?
A. NM cable
B. SE cable
C. Raceway wiring
D. Armored cable only
Raceway systems contain individual conductors within a designated raceway.
10. What is the main function of a circuit breaker?
A. Limit normal load current
