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Safety Procedures & Code Compliance Flashcards

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

Read the first 7 Safety Procedures & Code Compliance flashcards as text

  1. Per NEC 210.8(A), GFCI protection is now required for outdoor dwelling receptacles at what locations?

    Answer: All outdoor receptacles

    NEC 210.8(A)(3) requires GFCI protection for all outdoor dwelling receptacles.

  2. What is the primary purpose of bonding metal water piping to the electrical system?

    Answer: Limit voltage and provide a low-impedance fault path

    Bonding limits voltage differences and provides an effective fault-current path per NEC 250.104.

  3. What is the maximum number of disconnects permitted for a single service per NEC 230.71 (2020)?

    Answer: One

    The 2020 NEC 230.71 generally limits a service to a single disconnect (or separate enclosures).

  4. Per NEC 110.16, what label must be field-applied to certain equipment to warn of arc-flash hazards?

    Answer: Arc flash and shock hazard warning

    NEC 110.16 requires arc-flash hazard warning labels on equipment likely to be examined while energized.

  5. What personal protective equipment is essential when working on or near energized parts?

    Answer: Rated insulating gloves

    Properly rated insulating gloves protect against shock when working near energized parts.

  6. Per NEC 250.66, the grounding electrode conductor size is based on what?

    Answer: Size of the largest service-entrance conductor

    NEC Table 250.66 sizes the grounding electrode conductor from the largest service-entrance conductor.

  7. What is the minimum size copper equipment grounding conductor for a 20-amp circuit per NEC Table 250.122?

    Answer: 12 AWG

    NEC Table 250.122 requires 12 AWG copper EGC for a 20-amp overcurrent device.