FULL NHIE EXAM PRACTICE TEST BANK
2026 UPDATED QUESTIONS AND VERIFIED
SOLUTIONS GRADED A+
⩥ The service size is determined by the amperage and the voltage
ratings of the service. Answer: - True
⩥ Is the service drop overhead or underground? Answer: - Overhead
⩥ Are service laterals overhead or underground? Answer: - Underground
⩥ The drip loop is typically part of the service drop. True or False?
Answer: - False
⩥ The wire size for the service drop must be the same as the wire size
for the service entrance conductors. True or False? Answer: - False
⩥ How many wires would you typically find in a 240-volt service drop?
Answer: - 3
⩥ What would 4 wires mean? Answer: - 3-phase electricity
,⩥ What would 2 wires usually mean? Answer: - 120 volt service
⩥ List 7 common problems with service drops. Answer: 1. Overhead
wires too low.
2. Damaged or frayed wires.
3. Trees or vines interfering with wires.
4. Wires too close to doors or windows.
5. Wires not well-secured to the house.
6. Poor connection between service drop and service entrance.
7. Inadequate clearance from roofs.
⩥ List clearances above ground, swimming pools, and roofs. Answer:
Clearances above:
- Roadway 18 ft
- Driveway 12 ft.
- Walkway 10 ft.
- Flat roof 10 ft.
- Sloped roof (e.g., > 4:12) 18 in.
- Low slope roof (e.g., < 4:12) 3 ft.
- Swimming pool 22.5 ft
⩥ The service entrance conductors run from the _________ to the
___________. Answer: - Service drop to service box
, ⩥ All service entrance conductors must be in conduit. True or False?
Answer: - False
⩥ All service entrance conductors must be attached above roof level.
True or False? Answer: - False
⩥ The drip loop should be as close to the roof as possible. True or False?
Answer: - False
⩥ List 10 common problems with service entrance conductors. Answer:
1. No drip loop
2. No mast head
3. Mast head not weather tight.
4. Mast or conduit bent.
5. Mast or conduit rusted.
6. Mast rotted (if wood).
7. Mast conduit or cable not well secured.
8. Mast conduit or cable not weather tight.
9. Conduit or cable not well sealed at house/wall penetration.
10. Cable frayed, damaged, or covered by siding.
2026 UPDATED QUESTIONS AND VERIFIED
SOLUTIONS GRADED A+
⩥ The service size is determined by the amperage and the voltage
ratings of the service. Answer: - True
⩥ Is the service drop overhead or underground? Answer: - Overhead
⩥ Are service laterals overhead or underground? Answer: - Underground
⩥ The drip loop is typically part of the service drop. True or False?
Answer: - False
⩥ The wire size for the service drop must be the same as the wire size
for the service entrance conductors. True or False? Answer: - False
⩥ How many wires would you typically find in a 240-volt service drop?
Answer: - 3
⩥ What would 4 wires mean? Answer: - 3-phase electricity
,⩥ What would 2 wires usually mean? Answer: - 120 volt service
⩥ List 7 common problems with service drops. Answer: 1. Overhead
wires too low.
2. Damaged or frayed wires.
3. Trees or vines interfering with wires.
4. Wires too close to doors or windows.
5. Wires not well-secured to the house.
6. Poor connection between service drop and service entrance.
7. Inadequate clearance from roofs.
⩥ List clearances above ground, swimming pools, and roofs. Answer:
Clearances above:
- Roadway 18 ft
- Driveway 12 ft.
- Walkway 10 ft.
- Flat roof 10 ft.
- Sloped roof (e.g., > 4:12) 18 in.
- Low slope roof (e.g., < 4:12) 3 ft.
- Swimming pool 22.5 ft
⩥ The service entrance conductors run from the _________ to the
___________. Answer: - Service drop to service box
, ⩥ All service entrance conductors must be in conduit. True or False?
Answer: - False
⩥ All service entrance conductors must be attached above roof level.
True or False? Answer: - False
⩥ The drip loop should be as close to the roof as possible. True or False?
Answer: - False
⩥ List 10 common problems with service entrance conductors. Answer:
1. No drip loop
2. No mast head
3. Mast head not weather tight.
4. Mast or conduit bent.
5. Mast or conduit rusted.
6. Mast rotted (if wood).
7. Mast conduit or cable not well secured.
8. Mast conduit or cable not weather tight.
9. Conduit or cable not well sealed at house/wall penetration.
10. Cable frayed, damaged, or covered by siding.
