1910.304(b)(3)(i): GFCI for Bathroom and Rooftop Outlets
Employers must make sure all 125-volt, single-phase, 15- and 20-ampere receptacles installed in bathrooms or on rooftops have ground-fault circuit-interrupter protection for personnel.
Key takeaways
- 1910.304(b)(3)(i) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart S).
- OSHA cited it 69 times in the last 3 years, in 69 inspections, with $24,141 in current penalties.
- Most citations: NY (22), ME (10), OR (5).
- Related part: 1910.304(b) Branch circuits (279 citations).
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1910.304(b)(3)(i) is one requirement inside 1910.304 Wiring design and protection, an OSHA general industry standard (Part 1910, Subpart S). The official text below is copied word for word from the Electronic Code of Federal Regulations (eCFR). The numbers, injury cases and training on this page show how OSHA enforces it on real job sites.
Official text
(i) 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. 69 citations
Source: eCFR, text current as of 2026-10-15. Read all of 1910.304.
Where and how often it was cited
| Year | Citations |
|---|---|
| 2023 | 7 |
| 2024 | 28 |
| 2025 | 21 |
| 2026 | 13 |
Top states: NY (22), ME (10), OR (5), NV (5), MD (4)
Largest penalties
| Employer | Location | Penalty for this rule |
|---|---|---|
| TROPICAL PRODUCTS INC | SALEM, MA | $6,620 |
| TOWNSHIP OF CEDAR GROVE SEWER TREATMENT PLANT | CEDAR GROVE, NJ | $6,000 |
| ELYSIAN BEACH RESORT | ST THOMAS, VI | $4,149 |
| R. A. SIEWERS, INC. | RICHMOND, VA | $1,967 |
| 317744034 - SAWYER PADDLES & OARS LLC | TALENT, OR | $1,457 |
Free toolbox talk
A 5-minute crew talk on 1910.304(b)(3)(i), plus alerts when this rule changes. Free.
OSHA interpretation letters
None exist. OSHA has not published a letter of interpretation for 1910.304(b)(3)(i).
Related parts of this rule
- 1910.304(b) Branch circuits 279 citations
- 1910.304(b)(4) Outlet devices 137 citations
- 1910.304(b)(3) Ground-fault circuit interrupter protection for personnel 102 citations
- 1910.304(b)(4)(ii)(B) 70 citations
- 1910.304(b)(4)(ii) 70 citations
- 1910.304(b)(2) Receptacles and cord connectors 37 citations
- 1910.304(b)(3)(ii) 30 citations
- 1910.304(b)(2)(ii) 23 citations
- 1910.304(b)(3)(ii)(C) 19 citations
- 1910.304(b)(3)(ii)(A) 10 citations
Get your crew competent
Trainers on Black Belt Safety: Marc Harvey, Dana Reyes
Trainers and suppliers: feature your business on this rule for $25/month.
Frequently asked questions
Which receptacles need GFCI protection under this rule?
All 125-volt, single-phase, 15- and 20-ampere receptacles installed in bathrooms or on rooftops.
What type of protection is required?
Ground-fault circuit-interrupter protection for personnel.
Does this cover rooftop outlets?
Yes. Receptacles installed on rooftops are covered.
About this page
Sources
- 29 CFR 1910.304 (eCFR), text current as of 2026-10-15
- U.S. Department of Labor enforcement data: OSHA inspections, citations and accident records, copied nightly; data as of 2026-10-20
3-year window. Federal OSHA only; state-plan rules are not counted. Plain-language text is a summary, not legal advice; the official text controls. Black Belt Safety is not part of OSHA or the Department of Labor.