1910.147(a)(1): Scope
Key takeaways
- 1910.147(a)(1) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart J).
- OSHA cited it 2 times in the last 3 years, in 2 inspections, with $9,679 in current penalties.
- Related part: 1910.147(a) Scope, application, and purpose (56 citations).
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1910.147(a)(1) ("Scope") is one requirement inside 1910.147 The control of hazardous energy (lockout/tagout), an OSHA general industry standard (Part 1910, Subpart J). It includes 7 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) Scope. 2 citations
(i) This standard covers the servicing and maintenance of machines and equipment in which the unexpected energization or start up of the machines or equipment, or release of stored energy could cause injury to employees. This standard establishes minimum performance requirements for the control of such hazardous energy. Open (a)(1)(i) 2 citations
(ii) This standard does not cover the following: Open (a)(1)(ii)
(A) Construction and agriculture employment;
(B) Employment covered by parts 1915, 1917, and 1918 of this title;
(C) Installations under the exclusive control of electric utilities for the purpose of power generation, transmission and distribution, including related equipment for communication or metering;
(D) Exposure to electrical hazards from work on, near, or with conductors or equipment in electric-utilization installations, which is covered by subpart S of this part; and Open (a)(1)(ii)(d)
(E) Oil and gas well drilling and servicing.
Source: eCFR, text current as of 2026-10-15. Read all of 1910.147.
Where and how often it was cited
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OSHA interpretation letters
- Whether an LED type device ca be used for the isolation and deenergization verification requirements of 1910.147 and 1910.333. (2012-12-12)
- Use of LOTO device on equipment placed in "out of service" status not related to servicing or maintenance. (2006-10-11)
Related parts of this rule
- 1910.147(a) Scope, application, and purpose 56 citations
- 1910.147(a)(2) Application 34 citations
- 1910.147(a)(2)(ii) 25 citations
- 1910.147(a)(3)(i) 20 citations
- 1910.147(a)(3) Purpose 20 citations
- 1910.147(a)(2)(ii)(B) 19 citations
- 1910.147(a)(2)(iii) 9 citations
- 1910.147(a)(2)(iii)(A) 9 citations
- 1910.147(a)(2)(ii)(A) 3 citations
- 1910.147(a)(1)(i) 2 citations
- 1910.147(a)(1)(ii)
- 1910.147(a)(1)(ii)(D)
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About this page
Sources
- 29 CFR 1910.147 (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 2026-10-24
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.