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General NEC Requirements Flashcards

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

Read the first 6 General NEC Requirements flashcards as text

  1. Per NEC 210.52(A), what is the maximum spacing between receptacle outlets along a wall in a dwelling unit?

    Answer: No point along the wall should be more than 6 feet from a receptacle

    NEC 210.52(A)(1) requires receptacles so that no point along the floor line of any wall space is more than 6 feet from a receptacle outlet.

  2. What is the minimum number of 20-ampere small-appliance branch circuits required for the kitchen in a dwelling unit per NEC 210.11(C)(1)?

    Answer: 2

    NEC 210.11(C)(1) requires a minimum of two 20-ampere small-appliance branch circuits serving the kitchen and dining areas.

  3. Per NEC 210.52(C), what is the maximum distance a countertop receptacle can be from the end of a kitchen countertop that is 12 inches or wider?

    Answer: 24 inches

    NEC 210.52(C)(1) requires a receptacle outlet within 24 inches of each end of a continuous countertop space that is 12 inches or wider.

  4. Per NEC 210.12, where is AFCI protection required in a dwelling unit?

    Answer: All areas except bathrooms, garages, and outdoors

    NEC 210.12(A) requires AFCI protection for 120V, 15- and 20-ampere branch circuits supplying outlets in most dwelling unit areas, with specific exemptions.

  5. What is the minimum service size required for a single-family dwelling per NEC 230.79(C)?

    Answer: 100 amperes

    NEC 230.79(C) requires that a single-family dwelling service have a minimum rating of 100 amperes, 3-wire.

  6. Per NEC 314.16, how is the volume allowance calculated for device boxes?

    Answer: By counting conductors, devices, clamps, and grounding conductors using specific volume allowances

    NEC 314.16(B) requires counting conductors and assigning volume allowances based on conductor size, plus allowances for devices, clamps, and equipment grounding conductors.