Kansas Journeyman Electrician Exam
Questions And Correct Answers
(Verified Answers) Plus Rationale 2026
Q&A| Instant Download Pdf
1. What is the primary purpose of the National Electrical Code (NEC)?
A. To serve as a design manual
B. To provide minimum standards for electrical safety
C. To regulate utility companies
D. To establish electrical licensing rules
Answer: B
Rationale: The NEC establishes minimum requirements to protect
people and property from electrical hazards, not design preferences
or licensing rules.
2. Which NEC article covers general requirements for wiring methods?
A. Article 90
B. Article 100
C. Article 300
D. Article 250
Answer: C
Rationale: Article 300 contains general requirements for wiring
methods, including protection, securing, and installation practices.
3. What is the minimum burial depth for direct-buried residential
branch-circuit conductors rated 120 volts or less with GFCI protection?
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
, Answer: B
Rationale: The NEC allows reduced burial depth of 12 inches when
GFCI protection is provided for residential circuits.
4. Which color insulation is permitted for an equipment grounding
conductor?
A. White
B. Gray
C. Green
D. Red
Answer: C
Rationale: Equipment grounding conductors must be green, green
with yellow stripes, or bare.
5. What is the maximum allowable voltage drop recommended for a
branch circuit?
A. 2%
B. 3%
C. 5%
D. 10%
Answer: B
Rationale: The NEC recommends a maximum of 3% voltage drop on
branch circuits for efficiency and performance.
6. What device is required to protect against ground-faults in residential
bathrooms?
A. AFCI
B. Circuit breaker
C. GFCI
D. Fuse
Answer: C
Rationale: GFCI protection is required in bathrooms to protect users
from shock hazards.
7. Which NEC article covers grounding and bonding?
A. Article 210
B. Article 220
C. Article 250
D. Article 300
, Answer: C
Rationale: Article 250 contains all grounding and bonding
requirements.
8. What is the minimum size copper grounding electrode conductor for a
200-amp residential service?
A. #8 AWG
B. #6 AWG
C. #4 AWG
D. #2 AWG
Answer: B
Rationale: A #6 AWG copper grounding electrode conductor is
typically required for a 200-amp service.
9. What type of outlet is required in kitchens serving countertop
surfaces?
A. Standard duplex
B. AFCI protected
C. GFCI protected
D. Twist-lock
Answer: C
Rationale: NEC requires GFCI protection for receptacles serving
kitchen countertops.
10. What is the maximum number of current-carrying conductors
allowed in a 3/4-inch EMT without derating (assuming #12 THHN)?
A. 6
B. 8
C. 9
D. 12
Answer: B
Rationale: Conductor fill and ampacity rules limit the number of
current-carrying conductors before derating applies.
11. Which device protects against arcing faults in dwelling unit
bedrooms?
A. GFCI
B. Fuse
C. AFCI
Questions And Correct Answers
(Verified Answers) Plus Rationale 2026
Q&A| Instant Download Pdf
1. What is the primary purpose of the National Electrical Code (NEC)?
A. To serve as a design manual
B. To provide minimum standards for electrical safety
C. To regulate utility companies
D. To establish electrical licensing rules
Answer: B
Rationale: The NEC establishes minimum requirements to protect
people and property from electrical hazards, not design preferences
or licensing rules.
2. Which NEC article covers general requirements for wiring methods?
A. Article 90
B. Article 100
C. Article 300
D. Article 250
Answer: C
Rationale: Article 300 contains general requirements for wiring
methods, including protection, securing, and installation practices.
3. What is the minimum burial depth for direct-buried residential
branch-circuit conductors rated 120 volts or less with GFCI protection?
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
, Answer: B
Rationale: The NEC allows reduced burial depth of 12 inches when
GFCI protection is provided for residential circuits.
4. Which color insulation is permitted for an equipment grounding
conductor?
A. White
B. Gray
C. Green
D. Red
Answer: C
Rationale: Equipment grounding conductors must be green, green
with yellow stripes, or bare.
5. What is the maximum allowable voltage drop recommended for a
branch circuit?
A. 2%
B. 3%
C. 5%
D. 10%
Answer: B
Rationale: The NEC recommends a maximum of 3% voltage drop on
branch circuits for efficiency and performance.
6. What device is required to protect against ground-faults in residential
bathrooms?
A. AFCI
B. Circuit breaker
C. GFCI
D. Fuse
Answer: C
Rationale: GFCI protection is required in bathrooms to protect users
from shock hazards.
7. Which NEC article covers grounding and bonding?
A. Article 210
B. Article 220
C. Article 250
D. Article 300
, Answer: C
Rationale: Article 250 contains all grounding and bonding
requirements.
8. What is the minimum size copper grounding electrode conductor for a
200-amp residential service?
A. #8 AWG
B. #6 AWG
C. #4 AWG
D. #2 AWG
Answer: B
Rationale: A #6 AWG copper grounding electrode conductor is
typically required for a 200-amp service.
9. What type of outlet is required in kitchens serving countertop
surfaces?
A. Standard duplex
B. AFCI protected
C. GFCI protected
D. Twist-lock
Answer: C
Rationale: NEC requires GFCI protection for receptacles serving
kitchen countertops.
10. What is the maximum number of current-carrying conductors
allowed in a 3/4-inch EMT without derating (assuming #12 THHN)?
A. 6
B. 8
C. 9
D. 12
Answer: B
Rationale: Conductor fill and ampacity rules limit the number of
current-carrying conductors before derating applies.
11. Which device protects against arcing faults in dwelling unit
bedrooms?
A. GFCI
B. Fuse
C. AFCI
