1910.147(f)(1)(v): Re-Lock Before Continuing Service After Testing
After equipment is temporarily re-energized for testing or positioning, employers must deenergize all systems and reapply energy control measures under paragraph (d) to continue the servicing and/or maintenance.
Key takeaways
- 1910.147(f)(1)(v) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart J).
- OSHA cited it 14 times in the last 3 years, in 14 inspections, with $131,487 in current penalties.
- Most citations: KS (5), WI (3), IN (1).
- Related part: 1910.147(f) Additional requirements (493 citations).
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1910.147(f)(1)(v) 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
(v) Deenergize all systems and reapply energy control measures in accordance with paragraph (d) of this section to continue the servicing and/or maintenance. 14 citations
Source: eCFR, text current as of 2026-10-15. Read all of 1910.147.
Where and how often it was cited
| Year | Citations |
|---|---|
| 2024 | 5 |
| 2025 | 4 |
| 2026 | 5 |
Top states: KS (5), WI (3), IN (1), NC (1), PA (1)
Largest penalties
| Employer | Location | Penalty for this rule |
|---|---|---|
| GOODMAN MANUFACTURING COMPANY, L.P. | WALLER, TX | $16,550 |
| WALMART, INC. | OTTAWA, KS | $16,131 |
| SIMAKAS COMPANY, INC. | PROCTOR, WV | $12,500 |
| 155820 - BHARAT FORGE ALUMINUM USA, INC | SANFORD, NC | $12,000 |
| GRAIN CRAFT, LLC | KANSAS CITY, KS | $11,823 |
Free toolbox talk
A 5-minute crew talk on 1910.147(f)(1)(v), plus alerts when this rule changes. Free.
OSHA interpretation letters
None exist. OSHA has not published a letter of interpretation for 1910.147(f)(1)(v).
Related parts of this rule
- 1910.147(f) Additional requirements 493 citations
- 1910.147(f)(3) Group lockout or tagout 240 citations
- 1910.147(f)(3)(ii) 147 citations
- 1910.147(f)(1) Testing or positioning of machines, equipment or components thereof 140 citations
- 1910.147(f)(3)(ii)(D) 125 citations
- 1910.147(f)(2) Outside personnel (contractors, etc.) 96 citations
- 1910.147(f)(2)(i) 92 citations
- 1910.147(f)(3)(i) 91 citations
- 1910.147(f)(1)(ii) 73 citations
- 1910.147(f)(4) Shift or personnel changes 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
What happens after testing a machine during lockout?
All systems must be deenergized and energy control measures reapplied before service continues.
Which procedure is followed?
The application of control steps in paragraph (d) of 1910.147.
Can work continue right after a test run?
Not until energy control is reapplied.
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.