Wisconsin Journeyman Electrician Exam
Newest (2026 Update) Actual Practice
Questions – Set 100 Most Common
Exam Questions And Answers In Details
100% Verified Exam Highly
Recommendable For Grade A+
1. According to standard electrical safety practices, what is the first step
before working on any energized circuit?
A. Test continuity
B. Apply lockout/tagout procedures
C. Wear insulated gloves only
D. Increase circuit load
✔ Correct Answer: B
2. What is the maximum voltage drop recommended for branch circuits
combined feeder and branch circuit in electrical design practice?
A. 10%
B. 7%
C. 5%
D. 3%
✔ Correct Answer: C
3. A 20-amp, 120-volt branch circuit is typically required to use what minimum
conductor size?
A. 14 AWG
B. 12 AWG
C. 10 AWG
, D. 8 AWG
✔ Correct Answer: B
4. Which device is designed to protect against ground-fault current leakage?
A. AFCI breaker
B. GFCI device
C. Standard breaker
D. Fuse disconnect
✔ Correct Answer: B
5. In residential wiring, what color is typically used for the grounded (neutral)
conductor?
A. Green
B. White
C. Black
D. Red
✔ Correct Answer: B
6. What is the primary purpose of an equipment grounding conductor?
A. Carry normal current
B. Stabilize voltage levels
C. Provide a fault current path
D. Increase circuit resistance
✔ Correct Answer: C
7. A circuit breaker rated 20A protects conductors of what maximum ampacity
under standard conditions?
A. 30A
B. 25A
C. 20A
D. 15A
✔ Correct Answer: C
8. Which tool is used to verify absence of voltage before working on a circuit?
A. Clamp meter
, B. Megohmmeter
C. Non-contact voltage tester
D. Continuity tester
✔ Correct Answer: C
9. What does AFCI protection primarily guard against?
A. Overvoltage
B. Arc faults causing fires
C. Ground loops
D. Short battery life
✔ Correct Answer: B
10.In conduit bending, what is the purpose of a "saddle bend"?
A. Increase conductor ampacity
B. Avoid obstacles in conduit path
C. Reduce voltage drop
D. Ground the conduit
✔ Correct Answer: B
11.The National Electrical Code (NEC) is primarily used for:
A. Manufacturing transformers
B. Electrical installation safety standards
C. Utility billing
D. Appliance repair
✔ Correct Answer: B
12.What is the standard frequency of electrical power in the United States?
A. 50 Hz
B. 60 Hz
C. 120 Hz
D. 240 Hz
✔ Correct Answer: B
13.A 240V circuit in residential service is commonly derived from:
A. One hot and neutral
Newest (2026 Update) Actual Practice
Questions – Set 100 Most Common
Exam Questions And Answers In Details
100% Verified Exam Highly
Recommendable For Grade A+
1. According to standard electrical safety practices, what is the first step
before working on any energized circuit?
A. Test continuity
B. Apply lockout/tagout procedures
C. Wear insulated gloves only
D. Increase circuit load
✔ Correct Answer: B
2. What is the maximum voltage drop recommended for branch circuits
combined feeder and branch circuit in electrical design practice?
A. 10%
B. 7%
C. 5%
D. 3%
✔ Correct Answer: C
3. A 20-amp, 120-volt branch circuit is typically required to use what minimum
conductor size?
A. 14 AWG
B. 12 AWG
C. 10 AWG
, D. 8 AWG
✔ Correct Answer: B
4. Which device is designed to protect against ground-fault current leakage?
A. AFCI breaker
B. GFCI device
C. Standard breaker
D. Fuse disconnect
✔ Correct Answer: B
5. In residential wiring, what color is typically used for the grounded (neutral)
conductor?
A. Green
B. White
C. Black
D. Red
✔ Correct Answer: B
6. What is the primary purpose of an equipment grounding conductor?
A. Carry normal current
B. Stabilize voltage levels
C. Provide a fault current path
D. Increase circuit resistance
✔ Correct Answer: C
7. A circuit breaker rated 20A protects conductors of what maximum ampacity
under standard conditions?
A. 30A
B. 25A
C. 20A
D. 15A
✔ Correct Answer: C
8. Which tool is used to verify absence of voltage before working on a circuit?
A. Clamp meter
, B. Megohmmeter
C. Non-contact voltage tester
D. Continuity tester
✔ Correct Answer: C
9. What does AFCI protection primarily guard against?
A. Overvoltage
B. Arc faults causing fires
C. Ground loops
D. Short battery life
✔ Correct Answer: B
10.In conduit bending, what is the purpose of a "saddle bend"?
A. Increase conductor ampacity
B. Avoid obstacles in conduit path
C. Reduce voltage drop
D. Ground the conduit
✔ Correct Answer: B
11.The National Electrical Code (NEC) is primarily used for:
A. Manufacturing transformers
B. Electrical installation safety standards
C. Utility billing
D. Appliance repair
✔ Correct Answer: B
12.What is the standard frequency of electrical power in the United States?
A. 50 Hz
B. 60 Hz
C. 120 Hz
D. 240 Hz
✔ Correct Answer: B
13.A 240V circuit in residential service is commonly derived from:
A. One hot and neutral
