Texas Journeyman Electrician Examination Verified
Questions, Correct Answers, and Detailed
Explanations for Science Students||Already Graded
A+
1. What is the minimum cover for direct-buried UF cable under a
residential driveway?
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
NEC Table 300.5 requires 18 inches of cover for residential branch
circuits rated 120V or less with GFCI protection.
2. What is the minimum working space depth for equipment
operating at 0–150 volts to ground?
A. 24 inches
B. 36 inches
C. 42 inches
D. 48 inches
NEC 110.26(A)(1) requires 3 feet minimum depth.
3. How many current-carrying conductors are allowed in a raceway
before ampacity adjustment is required?
A. 2
B. More than 3
C. More than 6
D. More than 9
,NEC 310.15 requires adjustment when more than three current-
carrying conductors are installed.
4. What size copper grounding electrode conductor is required for a
200-amp service?
A. #8 AWG
B. #6 AWG
C. #4 AWG
D. #2 AWG
NEC Table 250.66 specifies #4 copper for 200-amp services.
5. Where is GFCI protection required?
A. Living rooms
B. Bedrooms
C. Bathrooms
D. Dining rooms
NEC 210.8 requires GFCI protection in bathrooms.
6. What is the minimum height for a receptacle installed above a
kitchen countertop?
A. 6 inches
B. 10 inches
C. No more than 12 inches above the countertop
D. 24 inches
NEC 210.52(C) limits receptacle placement height.
7. A neutral conductor is considered:
, A. A grounding conductor
B. A current-carrying conductor
C. A bonding conductor
D. Not counted in conduit fill
Neutrals carry current in most circuits and count for ampacity
calculations.
8. What is the maximum number of disconnects allowed for a
service?
A. 2
B. 4
C. 6
D. Unlimited
NEC 230.71 – Six disconnect rule.
9. Minimum burial depth for rigid metal conduit under a residential
yard?
A. 6 inches
B. 18 inches
C. 24 inches
D. 30 inches
NEC Table 300.5.
10. What color is typically used for grounded conductors?
A. Green
B. Red
C. White or gray
D. Orange
Questions, Correct Answers, and Detailed
Explanations for Science Students||Already Graded
A+
1. What is the minimum cover for direct-buried UF cable under a
residential driveway?
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
NEC Table 300.5 requires 18 inches of cover for residential branch
circuits rated 120V or less with GFCI protection.
2. What is the minimum working space depth for equipment
operating at 0–150 volts to ground?
A. 24 inches
B. 36 inches
C. 42 inches
D. 48 inches
NEC 110.26(A)(1) requires 3 feet minimum depth.
3. How many current-carrying conductors are allowed in a raceway
before ampacity adjustment is required?
A. 2
B. More than 3
C. More than 6
D. More than 9
,NEC 310.15 requires adjustment when more than three current-
carrying conductors are installed.
4. What size copper grounding electrode conductor is required for a
200-amp service?
A. #8 AWG
B. #6 AWG
C. #4 AWG
D. #2 AWG
NEC Table 250.66 specifies #4 copper for 200-amp services.
5. Where is GFCI protection required?
A. Living rooms
B. Bedrooms
C. Bathrooms
D. Dining rooms
NEC 210.8 requires GFCI protection in bathrooms.
6. What is the minimum height for a receptacle installed above a
kitchen countertop?
A. 6 inches
B. 10 inches
C. No more than 12 inches above the countertop
D. 24 inches
NEC 210.52(C) limits receptacle placement height.
7. A neutral conductor is considered:
, A. A grounding conductor
B. A current-carrying conductor
C. A bonding conductor
D. Not counted in conduit fill
Neutrals carry current in most circuits and count for ampacity
calculations.
8. What is the maximum number of disconnects allowed for a
service?
A. 2
B. 4
C. 6
D. Unlimited
NEC 230.71 – Six disconnect rule.
9. Minimum burial depth for rigid metal conduit under a residential
yard?
A. 6 inches
B. 18 inches
C. 24 inches
D. 30 inches
NEC Table 300.5.
10. What color is typically used for grounded conductors?
A. Green
B. Red
C. White or gray
D. Orange
