NEC 2023 Practical Application and Compliance Guide


Quiz Questions

1. The NEC is primarily a:
Minimum safety standard
Design engineering handbook
2. Who enforces the NEC?
The Authority Having Jurisdiction (AHJ)
The course provider
3. Which term refers to connecting equipment to earth?
Grounding
Bonding
4. Which term means connecting metal parts together to maintain equal potential?
Bonding
Grounding
5. Working space must allow safe:
Maintenance and operation
Painting of the room
6. Equipment must be installed according to:
Manufacturer instructions
Personal preference
7. GFCI devices protect against:
Shock hazards
Overvoltage from lightning
8. AFCI devices protect against:
Arcing faults that can start fires
Low-voltage drops
9. Branch circuits supplying kitchen countertops must usually include:
GFCI protection
No GFCI protection required
10. A single-line diagram showing service, feeders, and branch circuits is used to illustrate:
Power distribution relationships
Decorative wiring patterns
11. Panelboards must have:
Proper labeling and directories
Decorative covers only
12. Which wiring method is commonly used in residential construction?
NM cable (NM-B)
Armored bus duct only
13. Service disconnecting means must be:
Accessible to occupants or personnel
Hidden behind permanent structures
14. Overcurrent protective devices must be coordinated with:
Conductor ampacity
Paint color of the wall
15. The grounding electrode system may include:
Ground rods or concrete-encased electrodes
Plastic conduit only