SafetyQuestion 1280 of 1605
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
Explanation
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.
Law Reference: 29 CFR 1926.404(b)(1)Practice all 1605 questions free — no signup required.
Related questions on this topic
- A portable ladder is found with a broken rung and a cracked side rail. The correct action is to:
- Lockout/tagout (LOTO) procedures are primarily intended to protect workers from:
- Before work begins near electrical circuits, if a worker could contact energized parts, the employer must:
- Before using or handling any electrical equipment or cords, workers should:
- For cranes and equipment operating near overhead power lines up to 50 kV, what minimum clearance is generally required if the line is not de-energized and grounded?
- A tag applied during tagout must:
Last reviewed: · editorial process
Sen Lin, PrepPass Founder · Verified against California CSLB Contractor License Law & Business Exam · How we review
Reviewed by Abraham Chen — Licensed California General Contractor (CSLB License #1101856 — verify)