1910.303(e)(1): Manufacturer and Rating Markings on Equipment
Electric equipment may not be used unless it is marked with the manufacturer's name, trademark or other identifying mark, and with voltage, current, wattage or other ratings as needed.
Key takeaways
- 1910.303(e)(1) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart S).
- OSHA cited it 169 times in the last 3 years, in 161 inspections, with $255,233 in current penalties.
- Most citations: NM (33), KY (18), TN (16).
- 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) ("Identification of manufacturer and ratings") is one requirement inside 1910.303 General, an OSHA general industry standard (Part 1910, Subpart S). It includes 2 sub-paragraphs. 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
(1) Identification of manufacturer and ratings. Electric equipment may not be used unless the following markings have been placed on the equipment: 169 citations
(i) The manufacturer's name, trademark, or other descriptive marking by which the organization responsible for the product may be identified; and Open (e)(1)(i) 17 citations
(ii) Other markings giving voltage, current, wattage, or other ratings as necessary. Open (e)(1)(ii) 132 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 | 8 |
| 2024 | 49 |
| 2025 | 64 |
| 2026 | 48 |
Top states: NM (33), KY (18), TN (16), TX (15), VA (12)
Largest penalties
| Employer | Location | Penalty for this rule |
|---|---|---|
| THE GOODYEAR TIRE & RUBBER COMPANY | DANVILLE, VA | $15,875 |
| THE PICTSWEET COMPANY | BRIDGEVILLE, DE | $14,187 |
| KEECO, LLC | DALLAS, TX | $13,631 |
| K&N ENGINEERING INC | GRAND PRAIRIE, TX | $11,823 |
| THE HOME DEPOT | ALBUQUERQUE, NM | $11,611 |
Free toolbox talk
A 5-minute crew talk on 1910.303(e)(1), 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).
Related parts of this rule
- 1910.303(e) Marking 183 citations
- 1910.303(e)(1)(ii) 132 citations
- 1910.303(e)(1)(i) 17 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
Can electric equipment be used without markings?
No. The required markings must be placed on the equipment before it is used.
Which markings are required?
The manufacturer's name, trademark or other descriptive marking, and voltage, current, wattage or other ratings as necessary.
Why does the manufacturer marking matter?
It identifies the organization responsible for the product.
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.