---
title: "What OSHA electrical safety standards apply to general industry work? Answer in under 100 words."
canonical: https://www.m-i-n-d.ai/minds/electrical/osha-electrical-safety-standards-general-industry
jurisdiction: "US Federal"
last_verified: 2026-08-26
license: CC BY 4.0 — https://creativecommons.org/licenses/by/4.0/
attribution: "Source: MIND (m-i-n-d.ai)"
---

# What OSHA electrical safety standards apply to general industry work? Answer in under 100 words.

OSHA's general industry electrical safety rules are codified in 29 CFR Part 1910, Subpart S — Electrical, addressing practical safeguarding of employees in workplaces covered by the Occupational Safety and Health Act (introduction adopted January 16, 1981; work-practices rule effective August 6, 1990, at 55 FR 32016/32020). Subpart S holds four divisions — design safety standards (§§ 1910.302–1910.330), safety-related work practices (§§ 1910.331–1910.360, spanning § 1910.332 training, § 1910.333 work practices, § 1910.334 equipment use, and § 1910.335 personnel safeguards), maintenance requirements (§§ 1910.361–1910.380), and special-equipment rules (§§ 1910.381–1910.398) — with definitions in § 1910.399.

## How the framework works

- 29 CFR Part 1910, Subpart S — Electrical contains the OSHA electrical safety standards for general industry workplaces covered by the Occupational Safety and Health Act.
- The subpart divides into four major divisions: **design safety standards** (§§ 1910.302–1910.330), **safety-related work practices** (§§ 1910.331–1910.360), **safety-related maintenance requirements** (§§ 1910.361–1910.380), and **safety requirements for special equipment** (§§ 1910.381–1910.398), with definitions at § 1910.399.
- The core work-practice standards are **§ 1910.332 (training)**, **§ 1910.333 (selection and use of work practices)**, **§ 1910.334 (use of equipment)**, and **§ 1910.335 (safeguards for personnel protection)**.
- Training under § 1910.332 applies to employees facing a risk of electric shock not reduced to a safe level by the installation requirements of §§ 1910.303–1910.308; Table S-4 occupations (electricians, welders, blue-collar supervisors, mechanics and repairers, and others) face higher-than-normal risk and must be trained unless kept far enough from exposed parts of circuits operating at 50 volts or more to ground.
- Qualified persons must additionally distinguish exposed live parts, determine nominal voltage, and observe the § 1910.333(c) clearance distances; unqualified persons must learn any other electrically related safety practices needed for their safety.
- § 1910.335 mandates appropriate, well-maintained electrical protective equipment, insulated tools, nonconductive ropes, nonconductive head protection, eye/face protection, shields or barriers, and alerting techniques (signs/tags per § 1910.145, barricades, attendants).

## Numbers & thresholds

| Item | Value / anchor | Standard |
|---|---|---|
| Initial adoption of Subpart S | January 16, 1981 (46 FR 4056) | § 1910.301 |
| Work-practices rule effective date | August 6, 1990 (55 FR 32016; § 1910.335 at 55 FR 32020) | §§ 1910.331–1910.335 |
| Deenergization voltage exemption | Below 50 volts to ground, absent increased burn/explosion exposure | § 1910.333(a)(1) |
| Training hazard threshold | Circuits at 50 volts or more to ground | § 1910.332 / Table S-4 |
| Fall-arrest arc exposure test | Drop test after exposure to a 40 ± 5 cal/cm² electric arc | § 1910.269(g)(2) |
| Snaphook / D-ring tensile rating | 22 kN (5,000 lbf) | § 1910.269(g)(2)(iii) |

## Exceptions & edge cases

- Deenergizing may be skipped where it creates additional hazards (life-support interruption, alarm deactivation, ventilation shutdown, loss of illumination) or is infeasible (troubleshooting energized-only circuits, continuous industrial processes).
- Lockout/tagout procedures meeting § 1910.147 paragraphs (c)–(f) satisfy § 1910.333(b)(2) if they address Subpart S hazards and incorporate § 1910.333(b)(2)(iii)(D) and (b)(2)(iv)(B).
- A tag without a lock needs one extra equivalent safeguard; a lock without a tag is allowed only for one circuit, within a single shift, with exposed employees familiar with the re-energization procedure.
- Qualified-person work directly on generation, transmission, and distribution installations, communications work covered by § 1910.268, ship/aircraft/railway/automotive installations, and railway signaling systems falls outside §§ 1910.331–1910.335.
- Compliance with § 1910.269 work practices counts as compliance with § 1910.333(c) and § 1910.335 for utility-type utilization work.
- Fall arrest gear used around flame or electric-arc hazards must survive a 40 ± 5 cal/cm² arc exposure drop test, with snaphook and D-ring hardware rated to 22 kN.

## Sources

- [1] U.S. Department of Labor, Occupational Safety and Health Administration (OSHA) — codified at 29 CFR — 29 CFR Part 1910, Subpart S — Electrical (General Industry) · https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-S · as of 2026-08-26
- [2] U.S. National Archives, Electronic Code of Federal Regulations — 29 CFR 1910.332 — Training · https://www.ecfr.gov/current/title-29/part-1910/section-1910.332 · as of 2026-08-26
- [3] U.S. National Archives, Electronic Code of Federal Regulations — 29 CFR 1910.335 — Safeguards for Personnel Protection · https://www.ecfr.gov/current/title-29/part-1910/section-1910.335 · as of 2026-08-26
- [4] U.S. National Archives, Electronic Code of Federal Regulations — 29 CFR 1910.333 — Selection and Use of Work Practices · https://www.ecfr.gov/current/title-29/part-1910/section-1910.333 · as of 2026-08-26
- [5] U.S. Department of Labor, Occupational Safety and Health Administration (OSHA) — codified at 29 CFR — 29 CFR 1910.147 — The Control of Hazardous Energy (Lockout/Tagout) · https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-J/section-1910.147 · as of 2026-08-26
- [6] U.S. National Archives, Electronic Code of Federal Regulations — 29 CFR 1910.331 — Scope of Electrical Safety-Related Work Practices · https://www.ecfr.gov/current/title-29/part-1910/section-1910.331 · as of 2026-08-26
- [7] U.S. Department of Labor, Occupational Safety and Health Administration (OSHA) — codified at 29 CFR — 29 CFR 1910.269 — Electric Power Generation, Transmission, and Distribution (PPE and Energized Work) · https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-R/section-1910.269 · as of 2026-08-26