29 CFR 1910 · General Industry · Subpart S

1910.304(g)(6)(vi)(C): Equipment Types That Must Be Grounded

By Black Belt Safety Editorial Team Official text as of October 15, 2026 Data updated October 20, 2026 3 min read

In plain words:

Employers must ground exposed metal parts that may become energized on these types of cord-and-plug-connected equipment: refrigerators, freezers and air conditioners; washers, dryers, dishwashers, sump pumps and aquarium equipment; hand-held, stationary and light industrial motor tools; hedge clippers, lawn mowers, snow blowers and wet scrubbers; appliances used in damp or wet locations or on the ground, metal floors or in metal tanks; portable X-ray equipment; tools for wet conductive locations; and portable hand lamps.

Key takeaways

  • 1910.304(g)(6)(vi)(C) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart S).
  • OSHA cited it 27 times in the last 3 years, in 25 inspections, with $31,216 in current penalties.
  • 1 death is linked to inspections that cited this rule.
  • Most citations: SC (16), OR (7), NC (1).
  • Related part: 1910.304(g) Grounding (598 citations).
  • Free 5-minute toolbox talk for your crew below.
27citations, 3 years
$31,216current penalties
25inspections
1linked 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. Related parts of this rule
  8. Get your crew competent
  9. Frequently asked questions
  10. About this page

What this rule covers

29 CFR 1910.304(g)(6)(vi)(C) is one requirement inside 1910.304 Wiring design and protection, an OSHA general industry standard (Part 1910, Subpart S). 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

(C) If the equipment is of the following types: 27 citations

(1) Refrigerators, freezers, and air conditioners;

(2) Clothes-washing, clothes-drying, and dishwashing machines, sump pumps, and electric aquarium equipment;

(3) Hand-held motor-operated tools, stationary and fixed motor-operated tools, and light industrial motor-operated tools;

(4) Motor-operated appliances of the following types: hedge clippers, lawn mowers, snow blowers, and wet scrubbers;

(5) Cord- and plug-connected appliances used in damp or wet locations, or by employees standing on the ground or on metal floors or working inside of metal tanks or boilers;

(6) Portable and mobile X-ray and associated equipment;

(7) Tools likely to be used in wet and conductive locations; and

(8 Portable hand lamps.

Source: eCFR, text current as of 2026-10-15. Read all of 1910.304.

Injuries linked to this rule

1 death is linked to inspections where OSHA cited 1910.304(g)(6)(vi)(C).

Employee is killed when electrocuted while operating drain c
2024-08-15 · Fatal · MURRELLS INLET, SC

At 12:00 a.m. on August 15, 2024, Employee #1 was working alone at a residentialproperty, performing drain cleaning services using a pipe cleaning snake auger. The owner of Rapid Rooter attempted to contact Employee #1 multiple times throughout the day without success. Upon arriving at…

Where and how often it was cited

YearCitations
20232
20246
202514
20265

Top states: SC (16), OR (7), NC (1), VA (1), HI (1)

Largest penalties

EmployerLocationPenalty for this rule
CAR SPA, INC.WEBSTER, TX$13,240
THE MAKAI CLUBPRINCEVILLE, HI$2,483
76591 - ENCORE OF GREENVILLE LLCGREENVILLE, SC$2,275
75985 - GEORGIA PACIFIC WOOD PRODUCTS LLCPROSPERITY, SC$1,500
76356 - RAPID ROOTER LLCMURRELLS INLET, SC$1,500

Free toolbox talk

A 5-minute crew talk on 1910.304(g)(6)(vi)(C), plus alerts when this rule changes. Free.




OSHA interpretation letters

None exist. OSHA has not published a letter of interpretation for 1910.304(g)(6)(vi)(C).

Related parts of this rule

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

Do hand-held power tools have to be grounded?

Yes, hand-held motor-operated tools are on the list.

What about appliances used in wet locations?

Cord-and-plug-connected appliances used in damp or wet locations must be grounded.

Are portable hand lamps covered?

Yes. Portable hand lamps are on the list.

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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