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ELECTRIC 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 ELECTRIC flashcards as text

  1. The maximum overcurrent protection for a 12 AWG copper conductor is generally:

    Answer: 20 amps

    12 AWG copper is protected at a maximum of 20 amps under standard conditions.

  2. Which location requires receptacles to be installed for servicing of HVAC rooftop equipment?

    Answer: Within 25 feet of the equipment

    A service receptacle must be located within 25 feet of HVAC equipment for maintenance.

  3. What is the primary purpose of an overcurrent protective device?

    Answer: Protect conductors and equipment from excessive current

    Overcurrent devices like breakers and fuses protect conductors and equipment from excessive current.

  4. Conductors of different systems (such as power and signaling) in the same enclosure must be:

    Answer: Separated or have insulation rated for the maximum voltage present

    Conductors sharing an enclosure must be separated or insulated for the maximum voltage present.

  5. A receptacle installed within 6 feet of a wet bar sink must have:

    Answer: GFCI protection

    Receptacles within 6 feet of a wet bar sink require GFCI protection.

  6. The neutral conductor in a properly wired system should be bonded to ground at:

    Answer: Only the service equipment/main panel

    The neutral is bonded to ground only at the service equipment to prevent objectionable current on grounds.

  7. Flexible cords and cables may NOT be used as:

    Answer: A substitute for fixed permanent wiring

    Flexible cords cannot be used as a substitute for the fixed wiring of a structure.