Practice Test Geeks(NECA) National Electrical Contractors Association Practice Test
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Electrical Code & Standards Flashcards

7 cards from real NECA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Electrical Code & Standards flashcards as text

  1. Under the NEC, what is the minimum burial depth for a residential branch circuit rated 120V GFCI-protected installed in rigid metal conduit (RMC)?

    Answer: 6 inches

    NEC Table 300.5 allows RMC burial at 6 inches for 120V GFCI-protected residential branch circuits.

  2. Which NEC article governs the installation of electrical systems in hazardous (classified) locations using Zone equipment designation?

    Answer: Article 505

    NEC Article 505 covers Class I Zone 0, Zone 1, and Zone 2 hazardous locations using the IEC Zone system.

  3. According to NEC 210.52, how many small-appliance branch circuits are required for kitchen countertop receptacles in a dwelling unit?

    Answer: At least two 20-amp circuits

    NEC 210.52(B)(1) requires at least two 20-amp small-appliance branch circuits for countertop receptacles in the kitchen.

  4. What is the maximum distance from a water heater that a disconnect means must be located per NEC 422.31(B)?

    Answer: In sight from the appliance

    NEC 422.31(B) requires a disconnecting means within sight of the water heater unless it is lockable in the open position.

  5. Per NEC 230.24(B), service-entrance conductors must maintain a minimum clearance of how many feet above a residential roof with a slope of 4 in 12 or greater?

    Answer: 3 feet

    NEC 230.24(B)(1) allows a 3-foot clearance above a roof with a slope of 4 in 12 or greater.

  6. Which NFPA standard specifically addresses electrical safety requirements for employee workplaces and is closely referenced alongside the NEC by NECA members?

    Answer: NFPA 70E

    NFPA 70E covers electrical safety in the workplace and is the standard for arc flash and shock hazard protection for workers.

  7. Under NEC 250.122, if a circuit breaker is increased in size for motor starting purposes, what must also be increased proportionally?

    Answer: The equipment grounding conductor size

    NEC 250.122(B) requires that when the overcurrent device is increased, the equipment grounding conductor must be proportionally increased in size.