1910.303(e)(1)(i): Manufacturer's Marking on Electrical Equipment
Employers must use electrical equipment marked with the manufacturer's name, trademark or other descriptive marking that identifies the organization responsible for the product.
Key takeaways
- 1910.303(e)(1)(i) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart S).
- OSHA cited it 17 times in the last 3 years, in 17 inspections, with $21,407 in current penalties.
- Most citations: KY (5), TX (2), MD (2).
- Related part: 1910.303(e) Marking (183 citations).
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1910.303(e)(1)(i) is one requirement inside 1910.303 General, 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) The manufacturer's name, trademark, or other descriptive marking by which the organization responsible for the product may be identified; and 17 citations
Source: eCFR, text current as of 2026-10-15. Read all of 1910.303.
Where and how often it was cited
| Year | Citations |
|---|---|
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 9 |
| 2026 | 3 |
Top states: KY (5), TX (2), MD (2), VA (2), DE (2)
Largest penalties
| Employer | Location | Penalty for this rule |
|---|---|---|
| ALLEN HARIM FOODS, LLC | HARBESON, DE | $7,802 |
| ATLANTIC SEAFOOD COMPANY LLC | REHOBOTH BEACH, DE | $2,648 |
| 67353 - SUNTAK 3PL INC | WHITLEY CITY, KY | $2,500 |
| 67437 - CITY OF ASHLAND | SUMMITT, KY | $2,500 |
| ZENITH FIREARMS, INC. | AFTON, VA | $2,380 |
Free toolbox talk
A 5-minute crew talk on 1910.303(e)(1)(i), plus alerts when this rule changes. Free.
OSHA interpretation letters
None exist. OSHA has not published a letter of interpretation for 1910.303(e)(1)(i).
Related parts of this rule
- 1910.303(e) Marking 183 citations
- 1910.303(e)(1) Identification of manufacturer and ratings 169 citations
- 1910.303(e)(1)(ii) 132 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
What marking must electrical equipment have?
The manufacturer's name, trademark, or other descriptive marking identifying the organization responsible for the product.
Why is the marking needed?
So the organization responsible for the product can be identified.
Is this the only marking required?
It is one of the items listed in 1910.303(e)(1).
About this page
Sources
- 29 CFR 1910.303 (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.