4d • Check Your Knowledge
⚡ Check Your Knowledge: Working Space ⚡
You're installing a 20-inch-wide, 120/240V panelboard in a dwelling garage. Per the NEC, what's the minimum width of the clear working space in front of it?
A. 20 inches
B. 24 inches
C. 30 inches
D. 36 inches
👇 What's your answer, and why?
Bonus: How deep does that working space have to be, and what's the minimum height?
Answer reveal in a couple of days.
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⚡ Check Your Knowledge: Working Space ⚡
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