1910.147(c)(6)(ii): Certifying Lockout Inspections
Employers must certify that periodic inspections of energy control procedures have been done. The certification must identify the machine or equipment, the date of the inspection, the employees included and the person who performed the inspection.
Key takeaways
- 1910.147(c)(6)(ii) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart J).
- OSHA cited it 408 times in the last 3 years, in 408 inspections, with $505,010 in current penalties.
- 4 deaths are linked to inspections that cited this rule.
- Most citations: MD (72), MI (52), NJ (38).
- Related part: 1910.147(c) General (11,187 citations).
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1910.147(c)(6)(ii) is one requirement inside 1910.147 The control of hazardous energy (lockout/tagout), an OSHA general industry standard (Part 1910, 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
(ii) The employer shall certify that the periodic inspections have been performed. The certification shall identify the machine or equipment on which the energy control procedure was being utilized, the date of the inspection, the employees included in the inspection, and the person performing the inspection. 408 citations
Source: eCFR, text current as of 2026-10-15. Read all of 1910.147.
Injuries linked to this rule
4 deaths are linked to inspections where OSHA cited 1910.147(c)(6)(ii).
At 7:30 a.m. on October 15, 2024, an employee working for a wood products manufacturer was attempting to enter into a hopper. The employee was caught in the machinery and amputated his leg in the rotating shaft. The employee died as a result of his…
Full case list with employer, penalty, filters and download is part of OSHA Data (Purple Belt).
Unlock with Purple BeltWhere and how often it was cited
| Year | Citations |
|---|---|
| 2023 | 22 |
| 2024 | 146 |
| 2025 | 147 |
| 2026 | 93 |
Top states: MD (72), MI (52), NJ (38), PA (25), WI (20)
Largest penalties
| Employer | Location | Penalty for this rule |
|---|---|---|
| PRYSMIAN CABLES AND SYSTEMS USA, LLC | SCOTTSVILLE, TX | $48,393 |
| RWE CLEAN ENERGY SERVICES, LLC | ROSCOE, TX | $27,656 |
| LOUISIANA PACIFIC CORPORATION | NEW LIMERICK, ME | $16,131 |
| YOUNG GUNS CHILE CO. | HATCH, NM | $14,464 |
| BRIGHTSTAR GLOBAL SOLUTIONS CORPORATION | LAKELAND, FL | $13,240 |
Free toolbox talk
A 5-minute crew talk on 1910.147(c)(6)(ii), plus alerts when this rule changes. Free.
OSHA interpretation letters
None exist. OSHA has not published a letter of interpretation for 1910.147(c)(6)(ii).
Related parts of this rule
- 1910.147(c) General 11,187 citations
- 1910.147(c)(4) Energy control procedure 4,087 citations
- 1910.147(c)(4)(i) 2,952 citations
- 1910.147(c)(7) Training and communication 2,758 citations
- 1910.147(c)(6) Periodic inspection 2,446 citations
- 1910.147(c)(7)(i) 2,347 citations
- 1910.147(c)(6)(i) 2,024 citations
- 1910.147(c)(1) Energy control program 1,454 citations
- 1910.147(c)(4)(ii) 1,131 citations
- 1910.147(c)(7)(i)(A) 938 citations
- 1910.147(c)(5) Protective materials and hardware 350 citations
- 1910.147(c)(7)(iv) 311 citations
Get your crew competent
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Frequently asked questions
What must a lockout inspection certification include?
The machine or equipment, the inspection date, the employees included, and the person performing the inspection.
Who must certify the periodic inspections?
The employer.
Is doing the inspection enough without a record?
No. The employer shall certify that the periodic inspections have been performed.
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 2026-10-20
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.