Electrical · NEC 314, 312, 110.12

Boxes, enclosures & covers

Box fill, covers, support, cable entries, accessibility. 6 drills, each with the answer, the fix and the 2023 NEC section.

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The drills

Junction box in the basement ceiling
Level 1 · Apprentice
Unfinished basement ceiling, finished work
Attached garage ceiling light
Level 1 · Apprentice
Attached garage, ceiling light near the overhead door
Living room receptacle at trim-out
Level 2 · Journeyman
Living room receptacle, device pulled for the rough-to-final check
Junction box in a mechanical room
Level 2 · Journeyman
Commercial mechanical room, junction box on a block wall
Bedroom rough-in, device box
Level 2 · Journeyman
Bedroom exterior wall at rough-in, before insulation and drywall
Receptacle in a knotty pine wall
Level 3 · Master
Lake cabin living room, faceplate removed

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