Electrical · NEC 110.14, 300.14, 300.15, 310, 200.7

Terminations, splices & conductors

Splices outside boxes, free conductor length, Cu/Al, ampacity, re-identification. 6 drills, each with the answer, the fix and the 2023 NEC section.

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The drills

Attic cable run near the gable
Level 1 · Apprentice
Attic over a 1960s rambler, after a bath fan was added
Water heater junction box
Level 1 · Apprentice
Basement utility area, electric water heater replacement
Bathroom vanity receptacle box at trim-out
Level 2 · Journeyman
Bathroom remodel at trim-out, vanity receptacle location
Replaced receptacle in a 1972 split-level
Level 2 · Journeyman
Bedroom receptacle swapped by the homeowner, 1972 split-level
Kitchen sink wall at rough-in
Level 2 · Journeyman
Kitchen remodel, rough-in inspection
Garage subpanel with SER feeder
Level 3 · Master
Attached-garage subpanel, fed from a 50 A two-pole breaker in the house panel

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