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Equipment for General Use 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 Equipment for General Use flashcards as text

  1. A surface-mounted LED luminaire with a completely enclosed light source is installed on the ceiling of a clothes closet. What is the minimum clearance to the defined storage space per NEC 410.16(C)?

    Answer: 12 in (300 mm)

    NEC 410.16(C)(1) requires 300 mm (12 in) between surface-mounted incandescent or LED luminaires with enclosed light sources and the storage space.

  2. A non-Type IC recessed luminaire must have what minimum spacing from thermal insulation per NEC 410.116(B)?

    Answer: 3 in (75 mm)

    NEC 410.116(B) requires thermal insulation to be kept at least 75 mm (3 in) from non-IC recessed luminaires.

  3. Per NEC 410.10(D), cord-connected luminaires, pendants and ceiling fans may not be located within a zone measured how far from the top of a bathtub rim?

    Answer: 3 ft horizontally and 8 ft vertically

    NEC 410.10(D) defines the bathtub/shower zone as 900 mm (3 ft) horizontally and 2.5 m (8 ft) vertically from the top of the rim or threshold.

  4. A fixed storage-type water heater with a capacity of 80 gallons must have its branch circuit rated at not less than what percentage of the nameplate rating per NEC 422.13?

    Answer: 125%

    NEC 422.13 treats storage water heaters of 450 L (120 gal) or less as continuous loads, requiring a branch circuit of at least 125% of the nameplate rating.

  5. What cord length range does NEC 422.16(B)(1) permit for a cord-and-plug-connected kitchen waste disposer?

    Answer: 18 in to 36 in

    NEC 422.16(B)(1) requires a disposer cord to be not less than 450 mm (18 in) and not over 900 mm (36 in) long.

  6. What cord length is permitted for a built-in dishwasher per NEC 422.16(B)(2)?

    Answer: 3 ft to 6.5 ft

    NEC 422.16(B)(2) permits dishwasher and trash compactor cords from 0.9 m (3 ft) to 2.0 m (6.5 ft), measured from the plug face to the appliance's rear plane.

  7. Per NEC 422.18, an outlet box listed for ceiling-suspended (paddle) fan support may support a fan weighing up to what maximum weight?

    Answer: 70 lb (32 kg)

    NEC 422.18 and 314.27(C) allow listed fan-support boxes to carry fans up to 32 kg (70 lb); boxes for fans over 16 kg (35 lb) must be marked with the maximum weight.