New Mexico EE-98 Electrical Contractor
Exam 100 Complete Questions And
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1. In a dwelling unit, what is the minimum required ampacity for service
conductors supplying a calculated load of 180 amperes?
A. 180A
B. 185A
C. 200A
D. 175A
Answer: C. 200A
Service conductors must be sized to the next standard rating above the
calculated load per NEC tables.
2. What is the maximum number of 12 AWG conductors permitted in a 4-inch
square box with a single device?
A. 6
B. 8
C. 9
D. 10
Answer: B. 8
Box fill calculations assign volume per conductor; 12 AWG requires 2.25 in³.
,3. A continuous load is defined as one expected to run for at least:
A. 1 hour
B. 2 hours
C. 3 hours
D. 4 hours
Answer: C. 3 hours
NEC defines continuous load as 3 hours or more.
4. What is the minimum burial depth for direct-buried UF cable under a
residential driveway?
A. 12 inches
B. 18 inches
C. 24 inches
D. 30 inches
Answer: C. 24 inches
Driveways require increased protection depth.
5. Ground-fault circuit interrupter protection is required for receptacles within
how many feet of a sink?
A. 3 ft
B. 6 ft
C. 10 ft
D. 12 ft
Answer: B. 6 ft
Applies to kitchens, bathrooms, and similar locations.
6. What is the minimum size copper grounding electrode conductor for a 200A
service?
A. 8 AWG
B. 6 AWG
C. 4 AWG
D. 2 AWG
Answer: B. 6 AWG
Based on Table 250.66.
, 7. What device protects against overloads and short circuits?
A. Switch
B. Relay
C. Overcurrent device
D. Transformer
Answer: C. Overcurrent device
Includes breakers and fuses.
8. The neutral conductor is considered:
A. Grounded conductor
B. Equipment grounding conductor
C. Bonding jumper
D. Ungrounded conductor
Answer: A. Grounded conductor
Neutral is intentionally grounded.
9. What is the maximum voltage drop recommended for feeders and branch
circuits combined?
A. 3%
B. 5%
C. 7%
D. 10%
Answer: B. 5%
3% branch + 5% total recommended.
10.Conductors must be protected from physical damage when installed:
A. Outdoors only
B. In raceways only
C. Where subject to damage
D. Underground only
Answer: C. Where subject to damage
General NEC rule.
11.What is the minimum cover for PVC conduit under residential lawn?
A. 12 inches
Exam 100 Complete Questions And
Answers | Content Well Organized
2026/2027 Newest Update | 100 %
Rated And Verified Solutions | Get An
A+ New Version!!! Instant Pdf
1. In a dwelling unit, what is the minimum required ampacity for service
conductors supplying a calculated load of 180 amperes?
A. 180A
B. 185A
C. 200A
D. 175A
Answer: C. 200A
Service conductors must be sized to the next standard rating above the
calculated load per NEC tables.
2. What is the maximum number of 12 AWG conductors permitted in a 4-inch
square box with a single device?
A. 6
B. 8
C. 9
D. 10
Answer: B. 8
Box fill calculations assign volume per conductor; 12 AWG requires 2.25 in³.
,3. A continuous load is defined as one expected to run for at least:
A. 1 hour
B. 2 hours
C. 3 hours
D. 4 hours
Answer: C. 3 hours
NEC defines continuous load as 3 hours or more.
4. What is the minimum burial depth for direct-buried UF cable under a
residential driveway?
A. 12 inches
B. 18 inches
C. 24 inches
D. 30 inches
Answer: C. 24 inches
Driveways require increased protection depth.
5. Ground-fault circuit interrupter protection is required for receptacles within
how many feet of a sink?
A. 3 ft
B. 6 ft
C. 10 ft
D. 12 ft
Answer: B. 6 ft
Applies to kitchens, bathrooms, and similar locations.
6. What is the minimum size copper grounding electrode conductor for a 200A
service?
A. 8 AWG
B. 6 AWG
C. 4 AWG
D. 2 AWG
Answer: B. 6 AWG
Based on Table 250.66.
, 7. What device protects against overloads and short circuits?
A. Switch
B. Relay
C. Overcurrent device
D. Transformer
Answer: C. Overcurrent device
Includes breakers and fuses.
8. The neutral conductor is considered:
A. Grounded conductor
B. Equipment grounding conductor
C. Bonding jumper
D. Ungrounded conductor
Answer: A. Grounded conductor
Neutral is intentionally grounded.
9. What is the maximum voltage drop recommended for feeders and branch
circuits combined?
A. 3%
B. 5%
C. 7%
D. 10%
Answer: B. 5%
3% branch + 5% total recommended.
10.Conductors must be protected from physical damage when installed:
A. Outdoors only
B. In raceways only
C. Where subject to damage
D. Underground only
Answer: C. Where subject to damage
General NEC rule.
11.What is the minimum cover for PVC conduit under residential lawn?
A. 12 inches
