MARYLAND JOURNEYMAN ELECTRICIAN EXAM
NEWEST 2026 UPDATE 100 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||BRAND
NEW VERSION!!
1. Which of the following is the minimum wire size allowed for a 20-ampere
residential branch circuit?
A. 12 AWG
B. 10 AWG
C. 14 AWG
D. 8 AWG
Answer: A
12 AWG is the minimum wire size permitted for a 20-amp residential branch
circuit according to NEC 310.15.
2. The grounding electrode conductor connects which of the following?
A. Neutral to hot conductor
B. Service equipment to ground electrode
C. Grounded conductor to panelboard
D. Circuit breaker to receptacle
Answer: B
The grounding electrode conductor connects the service equipment to a
grounding electrode to ensure proper grounding.
3. What is the purpose of a GFCI (Ground-Fault Circuit Interrupter)?
A. Protects against overcurrent
B. Protects against short circuits
C. Protects against ground faults
D. Protects against voltage surges
Answer: C
, GFCIs detect differences between current in the hot and neutral wires,
tripping when a ground fault occurs.
4. Which of the following conduit types is allowed in wet locations?
A. PVC
B. EMT
C. RMC
D. All of the above
Answer: D
PVC, EMT, and RMC are all suitable for wet locations when installed per
code.
5. What is the maximum number of 14 AWG conductors allowed in a standard
3/4-inch EMT conduit?
A. 9
B. 10
C. 11
D. 12
Answer: A
Per NEC Chapter 9, Table 1, the maximum number of 14 AWG conductors in
3/4-inch EMT is 9.
6. Which color is used for the grounding conductor in residential wiring?
A. White
B. Black
C. Green or bare
D. Red
Answer: C
Green or bare copper conductors are designated for grounding per NEC.
7. Which device is designed to protect a circuit from overcurrent conditions?
A. Transformer
B. Circuit breaker
C. GFCI
D. Receptacle
, Answer: B
Circuit breakers interrupt current flow in overcurrent situations to prevent
damage.
8. In a 3-phase, 4-wire system, what is the voltage between two phases if each
phase to neutral is 120V?
A. 208V
B. 240V
C. 480V
D. 120V
Answer: A
Line-to-line voltage in a 3-phase, 120V phase-to-neutral system is 208V (120
× √3).
9. When installing a receptacle in a kitchen countertop, the maximum distance
between receptacles is:
A. 2 feet
B. 4 feet
C. 6 feet
D. 12 feet
Answer: C
NEC 210.52 requires receptacles to be no more than 6 feet apart along the
countertop.
10.What is the NEC standard for minimum working space in front of electrical
equipment rated 120V to 250V?
A. 24 inches
B. 30 inches
C. 36 inches
D. 48 inches
Answer: B
NEC 110.26 requires at least 30 inches of working space in front of electrical
equipment.
NEWEST 2026 UPDATE 100 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||BRAND
NEW VERSION!!
1. Which of the following is the minimum wire size allowed for a 20-ampere
residential branch circuit?
A. 12 AWG
B. 10 AWG
C. 14 AWG
D. 8 AWG
Answer: A
12 AWG is the minimum wire size permitted for a 20-amp residential branch
circuit according to NEC 310.15.
2. The grounding electrode conductor connects which of the following?
A. Neutral to hot conductor
B. Service equipment to ground electrode
C. Grounded conductor to panelboard
D. Circuit breaker to receptacle
Answer: B
The grounding electrode conductor connects the service equipment to a
grounding electrode to ensure proper grounding.
3. What is the purpose of a GFCI (Ground-Fault Circuit Interrupter)?
A. Protects against overcurrent
B. Protects against short circuits
C. Protects against ground faults
D. Protects against voltage surges
Answer: C
, GFCIs detect differences between current in the hot and neutral wires,
tripping when a ground fault occurs.
4. Which of the following conduit types is allowed in wet locations?
A. PVC
B. EMT
C. RMC
D. All of the above
Answer: D
PVC, EMT, and RMC are all suitable for wet locations when installed per
code.
5. What is the maximum number of 14 AWG conductors allowed in a standard
3/4-inch EMT conduit?
A. 9
B. 10
C. 11
D. 12
Answer: A
Per NEC Chapter 9, Table 1, the maximum number of 14 AWG conductors in
3/4-inch EMT is 9.
6. Which color is used for the grounding conductor in residential wiring?
A. White
B. Black
C. Green or bare
D. Red
Answer: C
Green or bare copper conductors are designated for grounding per NEC.
7. Which device is designed to protect a circuit from overcurrent conditions?
A. Transformer
B. Circuit breaker
C. GFCI
D. Receptacle
, Answer: B
Circuit breakers interrupt current flow in overcurrent situations to prevent
damage.
8. In a 3-phase, 4-wire system, what is the voltage between two phases if each
phase to neutral is 120V?
A. 208V
B. 240V
C. 480V
D. 120V
Answer: A
Line-to-line voltage in a 3-phase, 120V phase-to-neutral system is 208V (120
× √3).
9. When installing a receptacle in a kitchen countertop, the maximum distance
between receptacles is:
A. 2 feet
B. 4 feet
C. 6 feet
D. 12 feet
Answer: C
NEC 210.52 requires receptacles to be no more than 6 feet apart along the
countertop.
10.What is the NEC standard for minimum working space in front of electrical
equipment rated 120V to 250V?
A. 24 inches
B. 30 inches
C. 36 inches
D. 48 inches
Answer: B
NEC 110.26 requires at least 30 inches of working space in front of electrical
equipment.
