TEXAS JOURNEYMAN ELECTRICIAN EXAM 100
Complete Questions And Answers | Content
Well Organized 2026/2027 Newtest Update |
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MOST TESTED TOPICS
NEC CODE APPLICATION
GROUNDING AND BONDING
CONDUCTOR SIZING AND PROTECTION
OVER CURRENT PROTECTION
MOTOR CIRCUITS
BOX FILL AND CONDUIT FILL
LOAD CALCULATIONS
TRANSFORMERS
SERVICES AND FEEDERS
SPECIAL OCCUPANCIES
1. What is the minimum cover required for direct-buried residential branch
circuit rated 120 volts with GFCI protection?
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
Answer: A. 6 inches
GFCI protection allows reduced burial depth per NEC 300.5.
2. What is the maximum number of current-carrying conductors allowed in a
conduit before derating is required?
, A. 2
B. 3
C. 4
D. 6
Answer: B. 3
Derating begins when there are more than three current-carrying
conductors.
3. A 20-amp branch circuit uses #12 copper wire. What is the maximum
continuous load allowed?
A. 16 amps
B. 18 amps
C. 20 amps
D. 24 amps
Answer: A. 16 amps
Continuous loads are limited to 80% of circuit rating.
4. What NEC article covers grounding and bonding?
A. 110
B. 250
C. 300
D. 430
Answer: B. 250
Article 250 addresses grounding and bonding requirements.
5. What is the minimum size copper grounding electrode conductor for a 200-
amp service?
A. #8 AWG
B. #6 AWG
C. #4 AWG
D. #2 AWG
Answer: B. #6 AWG
Per NEC Table 250.66, #6 copper is typical for 200-amp services.
, 6. What type of conductor insulation is required for wet locations?
A. THHN
B. TW
C. THWN
D. NM
Answer: C. THWN
THWN is rated for wet conditions.
7. What is the standard voltage for residential receptacles in Texas?
A. 120V
B. 208V
C. 240V
D. 277V
Answer: A. 120V
Typical residential outlets are 120 volts.
8. What is required for bathroom receptacles?
A. AFCI only
B. GFCI only
C. Both AFCI and GFCI
D. No protection
Answer: C. Both AFCI and GFCI
Modern codes require both protections.
9. What is the minimum number of small appliance circuits in a kitchen?
A. 1
B. 2
C. 3
D. 4
Answer: B. 2
At least two 20-amp circuits are required.
10.What is the purpose of bonding?
A. Increase voltage
B. Reduce resistance
Complete Questions And Answers | Content
Well Organized 2026/2027 Newtest Update |
100 % Rated And Verified Solutions | Get An
A+ New Version!!! Instant PDF
MOST TESTED TOPICS
NEC CODE APPLICATION
GROUNDING AND BONDING
CONDUCTOR SIZING AND PROTECTION
OVER CURRENT PROTECTION
MOTOR CIRCUITS
BOX FILL AND CONDUIT FILL
LOAD CALCULATIONS
TRANSFORMERS
SERVICES AND FEEDERS
SPECIAL OCCUPANCIES
1. What is the minimum cover required for direct-buried residential branch
circuit rated 120 volts with GFCI protection?
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
Answer: A. 6 inches
GFCI protection allows reduced burial depth per NEC 300.5.
2. What is the maximum number of current-carrying conductors allowed in a
conduit before derating is required?
, A. 2
B. 3
C. 4
D. 6
Answer: B. 3
Derating begins when there are more than three current-carrying
conductors.
3. A 20-amp branch circuit uses #12 copper wire. What is the maximum
continuous load allowed?
A. 16 amps
B. 18 amps
C. 20 amps
D. 24 amps
Answer: A. 16 amps
Continuous loads are limited to 80% of circuit rating.
4. What NEC article covers grounding and bonding?
A. 110
B. 250
C. 300
D. 430
Answer: B. 250
Article 250 addresses grounding and bonding requirements.
5. What is the minimum size copper grounding electrode conductor for a 200-
amp service?
A. #8 AWG
B. #6 AWG
C. #4 AWG
D. #2 AWG
Answer: B. #6 AWG
Per NEC Table 250.66, #6 copper is typical for 200-amp services.
, 6. What type of conductor insulation is required for wet locations?
A. THHN
B. TW
C. THWN
D. NM
Answer: C. THWN
THWN is rated for wet conditions.
7. What is the standard voltage for residential receptacles in Texas?
A. 120V
B. 208V
C. 240V
D. 277V
Answer: A. 120V
Typical residential outlets are 120 volts.
8. What is required for bathroom receptacles?
A. AFCI only
B. GFCI only
C. Both AFCI and GFCI
D. No protection
Answer: C. Both AFCI and GFCI
Modern codes require both protections.
9. What is the minimum number of small appliance circuits in a kitchen?
A. 1
B. 2
C. 3
D. 4
Answer: B. 2
At least two 20-amp circuits are required.
10.What is the purpose of bonding?
A. Increase voltage
B. Reduce resistance
