Code Admin & Safety第 99 / 110 题
The dedicated equipment space above a panelboard extends how far above the equipment (or to a structural ceiling if lower)?
a.3 ft
b.4.5 ft
c.6 ft
d.7 ft
解析
The dedicated electrical space extends from the equipment to 6 ft above it, or to a structural ceiling if lower, and must be kept clear of foreign systems.
法律依据: 2023 NEC 110.26(E)(1)免费刷完整 110 道题库 — 无需注册。
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