1910.333(b)(2)(iii)(D): OSHA rule
Key takeaways
- 1910.333(b)(2)(iii)(D) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart S).
- Related part: 1910.333(b) Working on or near exposed deenergized parts (225 citations).
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1910.333(b)(2)(iii)(D) is one requirement inside 1910.333 Selection and use of work practices, 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
(D) A tag used without a lock, as permitted by paragraph (b)(2)(iii)(C) of this section, shall be supplemented by at least one additional safety measure that provides a level of safety equivalent to that obtained by the use of a lock. Examples of additional safety measures include the removal of an isolating circuit element, blocking of a controlling switch, or opening of an extra disconnecting device.
Source: eCFR, text current as of 2026-10-15. Read all of 1910.333.
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OSHA interpretation letters
Related parts of this rule
- 1910.333(b) Working on or near exposed deenergized parts 225 citations
- 1910.333(b)(2) Lockout and tagging 223 citations
- 1910.333(b)(2)(i) Procedures 61 citations
- 1910.333(b)(2)(iv) 31 citations
- 1910.333(b)(2)(ii) Deenergizing equipment 31 citations
- 1910.333(b)(2)(iv)(B) 24 citations
- 1910.333(b)(2)(iii) Application of locks and tags 20 citations
- 1910.333(b)(2)(iii)(A) 18 citations
- 1910.333(b)(2)(ii)(A) 18 citations
- 1910.333(b)(2)(ii)(B) 12 citations
- 1910.333(b)(2)(v) Reenergizing equipment 4 citations
- 1910.333(b)(1) Application 2 citations
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Sources
- 29 CFR 1910.333 (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.