Code Requirements Flashcards
7 cards from real AIT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Code Requirements flashcards as text
According to the NEC, which wire gauge is the minimum size permitted for a 20-ampere branch circuit?
Answer: 12 AWG
NEC Article 210.19 requires a minimum of 12 AWG copper conductors for a 20-ampere branch circuit.
What is the purpose of a 'variance' in the context of building codes and zoning regulations?
Answer: A legal exception allowing deviation from standard code requirements
A variance grants legal permission to deviate from specific code or zoning requirements when strict compliance would cause undue hardship.
Which NFPA standard specifically covers sprinkler systems for fire protection in buildings?
Answer: NFPA 13
NFPA 13 is the standard for the installation of automatic sprinkler systems.
In construction, which code classification describes a building where the primary structure must be non-combustible?
Answer: Type I construction
Type I construction requires structural elements to be non-combustible and is the most fire-resistant classification.
Under OSHA 29 CFR 1926, what is the minimum distance that a worker must maintain from an unguarded excavation edge?
Answer: 2 feet
OSHA 1926.502 requires workers to stay at least 2 feet from the edge of an unprotected excavation.
What is the primary purpose of the International Energy Conservation Code (IECC)?
Answer: To set minimum energy efficiency standards for buildings
The IECC establishes minimum energy efficiency requirements for the building envelope, mechanical, lighting, and service water heating systems.
Under the NEC, what color is required for a grounding conductor (equipment ground) in a fixed wiring system?
Answer: Green or bare
NEC Article 250.119 requires equipment grounding conductors to be green, green with yellow stripe, or bare.