National Electrical Code (NEC) Flashcards
6 cards from real Electrician practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 National Electrical Code (NEC) flashcards as text
According to the NEC, what is the minimum burial depth for rigid metal conduit (RMC) under a residential driveway?
Answer: 12 inches
The NEC requires RMC to be buried at least 6 inches under a residential driveway, but 12 inches is required under most other conditions.
What NEC article covers general requirements for wiring methods?
Answer: Article 300
NEC Article 300 covers general requirements for all wiring methods and materials.
Per the NEC, GFCI protection is required for all 125-volt, single-phase, 15- and 20-ampere receptacles in which location?
Answer: Bathrooms
The NEC mandates GFCI protection for all receptacles in bathrooms due to the proximity of water.
What is the maximum number of current-carrying conductors permitted in a single conduit before derating is required under the NEC?
Answer: 3
The NEC allows up to 3 current-carrying conductors before ampacity derating applies per NEC 310.15(C).
According to the NEC, what color must the grounded (neutral) conductor be identified as?
Answer: White or gray
The NEC requires the grounded (neutral) conductor to be white or gray for identification.
What NEC article governs the installation of electric vehicle charging systems?
Answer: Article 625
NEC Article 625 covers all aspects of electric vehicle charging system installations.