29 CFR 1910 · General Industry · Subpart S

1910.305(d)(2): Panelboard Enclosures

By Black Belt Safety Editorial Team Official text as of October 15, 2026 Data updated October 21, 2026 3 min read

In plain words:

Employers must mount panelboards in cabinets, cutout boxes or enclosures designed for the purpose, and panelboards must be dead front. Panelboards other than the dead front externally-operable type are allowed only where accessible only to qualified persons.

Key takeaways

  • 1910.305(d)(2) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart S).
  • OSHA cited it 93 times in the last 3 years, in 93 inspections, with $160,103 in current penalties.
  • 1 death is linked to inspections that cited this rule.
  • Most citations: VA (12), HI (11), NY (9).
  • Related part: 1910.305(d) Switchboards and panelboards (98 citations).
  • Free 5-minute toolbox talk for your crew below.
93citations, 3 years
$160,103current penalties
93inspections
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 1910.305(d)(2) ("Panelboard enclosures") is one requirement inside 1910.305 Wiring methods, components, and equipment for general use, 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

(2) Panelboard enclosures. Panelboards shall be mounted in cabinets, cutout boxes, or enclosures designed for the purpose and shall be dead front. However, panelboards other than the dead front externally-operable type are permitted where accessible only to qualified persons. 93 citations

Source: eCFR, text current as of 2026-10-15. Read all of 1910.305.

Injuries linked to this rule

1 death is linked to inspections where OSHA cited 1910.305(d)(2).

One employee is killed, another employee fractures both legs
2024-01-19 · Fatal · BAY SAINT LOUIS, MS

At 9:00 a.m. on January 19, 2024, two employees (Employee #1 and Employee #2) were setting up the site to create another stack of steel pipes (30 inches in diameter by 40 feet long, weighing over 2,000 pounds each.) The employees removed the chock block…

Where and how often it was cited

YearCitations
20237
202433
202531
202622

Top states: VA (12), HI (11), NY (9), TX (6), IL (5)

Largest penalties

EmployerLocationPenalty for this rule
JINDAL TUBULAR USA LLCBAY SAINT LOUIS, MS$16,131
CREATIVE MODULAR CONSTRUCTIONSPRINGFIELD, MO$10,000
PCI ENTERPRISES INCQUITMAN, TX$9,578
ACME BRICK COMPANYEL PASO, TX$9,000
RED GARTER OPERATOR, LLCWEST WENDOVER, NV$8,276

Free toolbox talk

A 5-minute crew talk on 1910.305(d)(2), plus alerts when this rule changes. Free.




OSHA interpretation letters

None exist. OSHA has not published a letter of interpretation for 1910.305(d)(2).

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

How must panelboards be mounted?

In cabinets, cutout boxes or enclosures designed for the purpose.

Must panelboards be dead front?

Yes, except other types are permitted where accessible only to qualified persons.

Who may access non-dead-front panelboards?

Only qualified persons.

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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