Electrical · NEC 110, 240, 408

Panels, breakers & overcurrent

Double taps, wrong breaker, working space, panel location, directory. 7 drills, each with the answer, the fix and the 2023 NEC section.

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The drills

Main-breaker load center
Level 1 · Apprentice
Residential load center, dead front removed
Attached garage load center
Level 1 · Apprentice
Attached garage, panel door open
Basement storage wall
Level 1 · Apprentice
Unfinished basement, utility wall
Upstairs bedroom remodel
Level 2 · Journeyman
Upstairs bedroom, walk-in closet
Basement laundry panel
Level 2 · Journeyman
Basement laundry room, panel door open
Tenant build-out lighting panel
Level 3 · Master
Retail tenant build-out, lighting and receptacle panel, interior trim off
Basement subpanel at rough-in
Level 3 · Master
Basement mechanical room, new subpanel, dead front off for inspection

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