SafetyQuestion 436 of 521
The clear working space in front of a panelboard must be at least how wide and how high?
a.18 inches wide and 6 feet high
b.30 inches wide (or the width of the equipment, whichever is greater) and 6½ feet high
c.24 inches wide and 5 feet high
d.36 inches wide and 7 feet high
Explanation
Working space must be at least 30 inches wide, or the width of the equipment if greater, and at least 6½ feet high (or the height of the equipment). 18, 24, or 36 inches and the other heights do not match the code minimums for width and headroom.
Law Reference: 2023 NEC §110.26Practice all 521 questions free — no signup required.
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