Code Admin & Safety第 110 / 110 题
Equipment likely to be examined or serviced while energized must carry what type of field-applied marking?
a.Voltage rating only
b.An arc-flash hazard warning label
c.Phase-sequence label
d.Equipment grounding conductor size
解析
An arc-flash warning label must be applied to warn qualified persons of the potential arc-flash hazard before energized examination or servicing.
法律依据: 2023 NEC 110.16免费刷完整 110 道题库 — 无需注册。
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