29 CFR 1910 · General Industry · Subpart S

1910.305(b)(1)(iii): Securing Cable to Cabinets and Boxes

By Black Belt Safety Editorial Team Official text as of octubre 15, 2026 Data updated octubre 20, 2026 4 min read

In plain words:

Employers must secure each cable to its cabinet, cutout box or meter socket enclosure. Nonmetallic-sheathed cable entering the top of a surface-mounted enclosure through nonflexible raceways not less than 18 inches nor more than 10 feet long need not be secured if all listed conditions are met, such as fastening within 12 inches of the raceway end, fittings on each end, a sealed outer end and continuous sheath.

Key takeaways

  • 1910.305(b)(1)(iii) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart S).
  • OSHA cited it 21 times in the last 3 years, in 17 inspections, with $34,052 in current penalties.
  • 1 death is linked to inspections that cited this rule.
  • Most citations: NE (13), MD (2), NY (1).
  • Related part: 1910.305(b) Cabinets, boxes, and fittings (2,745 citations).
  • Free 5-minute toolbox talk for your crew below.
21citations, 3 years
$34,052current penalties
17inspections
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(b)(1)(iii) is one requirement inside 1910.305 Wiring methods, components, and equipment for general use, an OSHA general industry standard (Part 1910, Subpart S). It includes 7 sub-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

(iii) Where cable is used, each cable shall be secured to the cabinet, cutout box, or meter socket enclosure. However, where cable with an entirely nonmetallic sheath enters the top of a surface-mounted enclosure through one or more nonflexible raceways not less than 457 mm (18 in.) or more than 3.05 m (10.0 ft) in length, the cable need not be secured to the cabinet, box, or enclosure provided all of the following conditions are met: 21 citations

(A) Each cable is fastened within 305 mm (12 in.) of the outer end of the raceway, measured along the sheath;

(B) The raceway extends directly above the enclosure and does not penetrate a structural ceiling;

(C) A fitting is provided on each end of the raceway to protect the cable from abrasion, and the fittings remain accessible after installation;

(D) The raceway is sealed or plugged at the outer end using approved means so as to prevent access to the enclosure through the raceway; 7 citations

(E) The cable sheath is continuous through the raceway and extends into the enclosure not less than 6.35 mm (0.25 in.) beyond the fitting;

(F) The raceway is fastened at its outer end and at other points as necessary; and 8 citations

(G) Where installed as conduit or tubing, the allowable cable fill does not exceed that permitted for complete conduit or tubing systems.

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(b)(1)(iii).

Employee is killed via strangulation in car wash
2024-01-13 · Fatal · WEAVERVILLE, NC

At 12:00 a.m. on January 13, 2024, an employee was cleaning the car wash tunnel and equipment. The employee was cleaning the passenger side exit Top Mount Side Washer referred to as a "wrap." The wraps are 6 feet tall and 42 inches in diameter…

Where and how often it was cited

YearCitations
20236
20243
202510
20262

Top states: NE (13), MD (2), NY (1), IA (1), NC (1)

Largest penalties

EmployerLocationPenalty for this rule
THE JAMES SKINNER LLCOMAHA, NE$9,000
FIRSTAR FIBER, INC.OMAHA, NE$6,128
NEBRASKA BEEF, LTDOMAHA, NE$5,022
BECTON, DICKINSON AND COMPANYCOLUMBUS, NE$4,305
KUGLER OIL COMPANYCULBERTSON, NE$4,218

Free toolbox talk

A 5-minute crew talk on 1910.305(b)(1)(iii), plus alerts when this rule changes. Free.




OSHA interpretation letters

None exist. OSHA has not published a letter of interpretation for 1910.305(b)(1)(iii).

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

Must cable be secured to the enclosure?

Yes, each cable shall be secured to the cabinet, cutout box or meter socket enclosure, except under the listed conditions.

What raceway length allows the exception?

Nonflexible raceways not less than 457 mm (18 in.) nor more than 3.05 m (10.0 ft) in length.

How far into the enclosure must the sheath extend?

Not less than 6.35 mm (0.25 in.) beyond the fitting.

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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