29 CFR 1910 · General Industry · Subpart S

1910.335: Electrical Safeguards for Personnel

By Black Belt Safety Editorial Team Official text as of octubre 15, 2026 Data updated noviembre 6, 2026 3 min read

In plain words:

Employees working where there are potential electrical hazards must be given and must use electrical protective equipment suited to the body part and work, kept in safe condition and inspected or tested as 1910.137 requires. Nonconductive head protection and eye or face protection are required where shock, burn, arc or flash hazards exist, and insulated tools, fuse handling equipment and nonconductive ropes must be used near exposed energized parts.

Key takeaways

  • 1910.335 is part of OSHA's general industry standards (29 CFR Part 1910, Subpart S).
  • OSHA cited it 322 times in the last 3 years, in 250 inspections, with $1,686,104 in current penalties.
  • 19 deaths are linked to inspections that cited this rule.
  • Most citations: TX (38), OH (20), MI (20).
  • Most-cited part: 1910.335(a) Use of protective equipment (286 citations).
  • Free 5-minute toolbox talk for your crew below.

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322citations, 3 years
$1,686,104current penalties
250inspections
19linked deaths
In this article
  1. What this rule covers
  2. Official text
  3. Injuries linked to this rule
  4. Where and how often it was cited
  5. Free toolbox talk
  6. OSHA interpretation letters
  7. Most-cited parts of this rule
  8. Get your crew competent
  9. Frequently asked questions
  10. About this page

What this rule covers

29 CFR 1910.335, "Safeguards for personnel protection", is an OSHA general industry standard (Part 1910, Subpart S). It has 16 numbered 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

Show the full text of 1910.335 (16 paragraphs)

(a) Use of protective equipment — Open (a) 286 citations

(1) Personal protective equipment. Open (a)(1) 219 citations

(i) Employees working in areas where there are potential electrical hazards shall be provided with, and shall use, electrical protective equipment that is appropriate for the specific parts of the body to be protected and for the work to be performed. Open (a)(1)(i) 194 citations

Personal protective equipment requirements are contained in subpart I of this part.

(ii) Protective equipment shall be maintained in a safe, reliable condition and shall be periodically inspected or tested, as required by § 1910.137. Open (a)(1)(ii) 9 citations

(iii) If the insulating capability of protective equipment may be subject to damage during use, the insulating material shall be protected. (For example, an outer covering of leather is sometimes used for the protection of rubber insulating material.)

(iv) Employees shall wear nonconductive head protection wherever there is a danger of head injury from electric shock or burns due to contact with exposed energized parts. Open (a)(1)(iv) 2 citations

(v) Employees shall wear protective equipment for the eyes or face wherever there is danger of injury to the eyes or face from electric arcs or flashes or from flying objects resulting from electrical explosion. Open (a)(1)(v) 10 citations

(2) General protective equipment and tools. Open (a)(2) 67 citations

(i) When working near exposed energized conductors or circuit parts, each employee shall use insulated tools or handling equipment if the tools or handling equipment might make contact with such conductors or parts. If the insulating capability of insulated tools or handling equipment is subject to damage, the insulating material shall be protected. Open (a)(2)(i) 47 citations

(A) Fuse handling equipment, insulated for the circuit voltage, shall be used to remove or install fuses when the fuse terminals are energized. 4 citations

(B) Ropes and handlines used near exposed energized parts shall be nonconductive.

(ii) Protective shields, protective barriers, or insulating materials shall be used to protect each employee from shock, burns, or other electrically related injuries while that employee is working near exposed energized parts which might be accidentally contacted or where dangerous electric heating or arcing might occur. When normally enclosed live parts are exposed for maintenance or repair, they shall be guarded to protect unqualified persons from contact with the live parts. Open (a)(2)(ii) 20 citations

(b) Alerting techniques. The following alerting techniques shall be used to warn and protect employees from hazards which could cause injury due to electric shock, burns, or failure of electric equipment parts: Open (b) 36 citations

(1) Safety signs and tags. Safety signs, safety symbols, or accident prevention tags shall be used where necessary to warn employees about electrical hazards which may endanger them, as required by § 1910.145. Open (b)(1) 18 citations

(2) Barricades. Barricades shall be used in conjunction with safety signs where it is necessary to prevent or limit employee access to work areas exposing employees to uninsulated energized conductors or circuit parts. Conductive barricades may not be used where they might cause an electrical contact hazard. 7 citations

(3) Attendants. If signs and barricades do not provide sufficient warning and protection from electrical hazards, an attendant shall be stationed to warn and protect employees. Open (b)(3) 4 citations

[55 FR 32020, Aug. 6, 1990]

Source: eCFR, text current as of 2026-10-15.

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Export the list: 250 inspections cited 1910.335 in the last 3 years, with employer, location, penalty and date.

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Injuries linked to this rule

19 deaths are linked to inspections where OSHA cited 1910.335.

Employee is electrocuted while replacing fuses on electrical
2025-02-25 · Fatal · NEWARK, NJ

At approximately 4:20 a.m. on February 25, 2025, Employee #1 was working on an AirTrain switch electrical panel, attempting to replace blown fuses. During the task, the employee came into contact with energized components and received a 600-volt electric shock. Employee #1 was fatally electrocuted.

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Where and how often it was cited

YearCitations
202317
2024109
2025112
202684

Top states: TX (38), OH (20), MI (20), PA (19), CT (18)

Largest penalties

EmployerLocationPenalty for this rule
GAGE TREE SERVICE LLCCHUGIAK, AK$198,616
MTD PRODUCTS, INC.WILLARD, OH$161,323
SOUTH TEXAS ELECTRIC COOPERATIVE, INC.NURSERY, TX$48,393
JINDAL TUBULAR USA LLCBAY SAINT LOUIS, MS$44,361
HUBBELL INC.READING, PA$36,000

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OSHA interpretation letters

None exist. OSHA has not published a letter of interpretation for 1910.335.

Most-cited parts of this rule

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Frequently asked questions

When is nonconductive head protection required?

Wherever there is a danger of head injury from electric shock or burns due to contact with exposed energized parts.

What tools are needed near energized parts?

Insulated tools or handling equipment if they might contact the conductors or parts, and fuse handling equipment insulated for the voltage when fuse terminals are energized.

Can regular rope be used near live parts?

No. Ropes and handlines used near exposed energized parts must be nonconductive.

About this page

Sources

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.

Written and reviewed by

Black Belt Safety Editorial Team

Site Safety Officer and Safety Professional

OSHA 30 · CPR · USACE CQM

Written and reviewed by the Black Belt Safety team. Every post is checked against the OSHA standard or agency source it cites.

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