NEC Chapter 1 Questions and Answers |
Latest Version | 2024/2025 | Correct &
Verified
Who develops and maintains the NEC?
✔✔ The NEC is developed and maintained by the National Fire Protection Association (NFPA).
How often is the NEC updated?
✔✔ The NEC is updated every three years.
What does the NEC provide guidelines for?
✔✔ The NEC provides guidelines for the installation of electrical systems, including wiring,
equipment, and related safety measures.
Is the NEC a legal requirement?
✔✔ The NEC itself is not law but becomes legally enforceable when adopted by local, state, or
federal jurisdictions.
What is the scope of the NEC?
1
, ✔✔ The scope of the NEC includes installations of electrical conductors, equipment, and
raceways for public and private premises.
What installations are excluded from the NEC’s coverage?
✔✔ Installations covered by the NEC exclude vehicles, ships, and aircraft unless explicitly
stated otherwise.
What is the primary focus of the NEC’s safety rules?
✔✔ The NEC’s safety rules focus on protecting against fire, electric shock, and other related
hazards.
What is the purpose of Article 90 in the NEC?
✔✔ Article 90 explains the purpose, scope, and enforcement of the NEC.
Why does the NEC include definitions?
✔✔ Definitions help ensure consistent understanding and application of terms used throughout
the code.
What is meant by "authority having jurisdiction" (AHJ) in the NEC?
2
Latest Version | 2024/2025 | Correct &
Verified
Who develops and maintains the NEC?
✔✔ The NEC is developed and maintained by the National Fire Protection Association (NFPA).
How often is the NEC updated?
✔✔ The NEC is updated every three years.
What does the NEC provide guidelines for?
✔✔ The NEC provides guidelines for the installation of electrical systems, including wiring,
equipment, and related safety measures.
Is the NEC a legal requirement?
✔✔ The NEC itself is not law but becomes legally enforceable when adopted by local, state, or
federal jurisdictions.
What is the scope of the NEC?
1
, ✔✔ The scope of the NEC includes installations of electrical conductors, equipment, and
raceways for public and private premises.
What installations are excluded from the NEC’s coverage?
✔✔ Installations covered by the NEC exclude vehicles, ships, and aircraft unless explicitly
stated otherwise.
What is the primary focus of the NEC’s safety rules?
✔✔ The NEC’s safety rules focus on protecting against fire, electric shock, and other related
hazards.
What is the purpose of Article 90 in the NEC?
✔✔ Article 90 explains the purpose, scope, and enforcement of the NEC.
Why does the NEC include definitions?
✔✔ Definitions help ensure consistent understanding and application of terms used throughout
the code.
What is meant by "authority having jurisdiction" (AHJ) in the NEC?
2
