安全第 1280 / 1605 题
On construction sites, which system is required to protect workers using 120-volt, single-phase, 15- and 20-amp receptacle outlets not part of the permanent wiring?
a.Ground-fault circuit interrupter (GFCI) protection or an assured equipment grounding conductor program
b.Double the fuse size
c.Higher wattage bulbs
d.Extension cords only
解析
1926.404(b)(1) requires GFCI protection for those temporary receptacles, or an assured equipment grounding conductor program. GFCIs protect against ground faults common on wet, rugged jobsites.
法律依据: 29 CFR 1926.404(b)(1)免费刷完整 1605 道题库 — 无需注册。
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