1926.351(b)(3): OSHA rule
Key takeaways
- 1926.351(b)(3) is part of OSHA's construction standards (29 CFR Part 1926, Subpart J).
- Related part: 1926.351(b) Welding cables and connectors (26 citations).
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1926.351(b)(3) is one requirement inside 1926.351 Arc welding and cutting, an OSHA construction standard (Part 1926, Subpart J). 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
(3) When it becomes necessary to connect or splice lengths of cable one to another, substantial insulated connectors of a capacity at least equivalent to that of the cable shall be used. If connections are effected by means of cable lugs, they shall be securely fastened together to give good electrical contact, and the exposed metal parts of the lugs shall be completely insulated.
Source: eCFR, text current as of 2026-10-15. Read all of 1926.351.
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OSHA interpretation letters
Related parts of this rule
- 1926.351(b) Welding cables and connectors 26 citations
- 1926.351(b)(4) 14 citations
- 1926.351(b)(2) 8 citations
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About this page
Sources
- 29 CFR 1926.351 (eCFR), text current as of 2026-10-15
- U.S. Department of Labor enforcement data: OSHA inspections, citations and accident records, copied nightly
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.