SafetyQuestion 371 of 1605
Ground-fault circuit interrupters (GFCIs) are required on construction site power outlets primarily to protect workers from:
a.Theft of power tools
b.Electric shock caused by ground faults in tools and equipment
c.Excessive noise levels
d.Overheated extension cords catching fire only
Explanation
GFCIs detect imbalances in electrical current (ground faults) and quickly cut power, protecting workers from electric shock. Cal/OSHA requires GFCI protection or an assured equipment grounding program on construction sites.
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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)