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In general industry, which 125-volt outlets must have GFCI protection?

Those in bathrooms or on rooftops, plus temporary wiring.

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  1. Ones in bathrooms or on rooftops ✔
  2. Ones in offices and hallways
  3. Ones that power computers

Why: OSHA requires GFCI protection for 125-volt, 15- and 20-amp receptacles in bathrooms or on rooftops. Temporary outlets used during construction-like work need it too.

Huh, didn't know that: Where GFCIs are not available for temporary wiring, an assured equipment grounding conductor program is required.

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Why do GFCIs make good lifeguards? They spot current problems fast.
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References

Answer: Ones in bathrooms or on rooftops. OSHA requires GFCI protection for 125-volt, 15- and 20-amp receptacles in bathrooms or on rooftops. Temporary outlets used during construction-like work need it too.

  1. 29 CFR 1910.304 Wiring design and protection www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-S/section-1910.304
    All 125-volt, single-phase, 15- and 20-ampere receptacles installed in bathrooms or on rooftops shall have ground-fault circuit-interrupter protection for personnel.
    Checked 2026-10-10.

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