The control of hazardous energy (lockout/tagout)
29 CFR § 1910.147
29 CFR § 1910.147 is the federal OSHA standard governing the control of hazardous energy (lockout/tagout), setting mandatory general industry employer duties that compliance officers verify during workplace inspections and enforce through citations under the Occupational Safety and Health Act. Employers should document hazard assessments, training and inspections so each requirement can be demonstrated on request.
Statutory Comparison
| Requirement | Baseline Fed Code | State Rule | Enforced Metric |
|---|---|---|---|
| The control of hazardous energy (lockout/tagout) | 29 CFR § 1910.147 (29 CFR Part 1910, Subpart J) | Not applicable: federal baseline. | See key audit items below and the full regulatory text. |
Key Audit Items
| Citation | Audit condition | Metric | Risk |
|---|---|---|---|
| 29 CFR § 1910.147(c)(4)(i) | Energy control procedures are developed, documented and used for each machine or piece of equipment serviced | Documented procedure per machine | Critical |
| 29 CFR § 1910.147(c)(5)(i) | Employer provides lockout/tagout devices and hardware for isolating, securing or blocking machines | Devices available and uniquely identified | High |
| 29 CFR § 1910.147(c)(6)(i) | Periodic inspection of each energy control procedure is conducted at least annually | At least every 12 months | High |
| 29 CFR § 1910.147(c)(7)(i) | Authorized, affected and other employees are trained on the energy control program | Training before assignment; retraining on change | High |
| 29 CFR § 1910.147(d)(4)(i) | Lockout or tagout devices are affixed to each energy isolating device by authorized employees | Device on every isolating point | Critical |
| 29 CFR § 1910.147(d)(6) | Isolation and de-energization are verified before work begins | Verification step recorded in procedure | Critical |
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Self-inspection workbook for 29 CFR § 1910.147 with Pass/Fail/N/A dropdowns and an automatic Audit Readiness Score.