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29 CFR 1910.305: Electrical wiring methods

Subpart S—Electrical · official heading: Wiring methods, components, and equipment for general use

How wiring, boxes and cords must be installed. Common items are boxes without covers, flexible cords used in place of fixed wiring, and cords without strain relief.

37,403citations since 2015
23,011employers cited
65%serious, willful or repeat
$0median penalty per item

OSHA has cited 29 CFR 1910.305 37,403 times since 2015, against 23,011 employers. Penalties on these items add up to $34,290,896 at their current amounts.

Citations per year

The parts of the rule cited most

1910.305(g)(1)(iva) · 6,341 citations

(A) As a substitute for the fixed wiring of a structure;

1910.305(b)(1)(ii) · 6,232 citations

(ii) Unused openings in cabinets, boxes, and fittings shall be effectively closed.

1910.305(b)(2)(i) · 5,906 citations

(2) Covers and canopies. (i) All pull boxes, junction boxes, and fittings shall be provided with covers identified for the purpose. If metal covers are used, they shall be grounded. In completed installations, each outlet box shall have a cover, faceplate, or fixture canopy. Covers of outlet boxes having holes through which flexible cord pendants pass shall be provided with bushings designed for the purpose or shall have smooth, well-rounded surfaces on which the cords may bear.

1910.305(g)(2)(iii) · 5,257 citations

(iii) Flexible cords and cables shall be connected to devices and fittings so that strain relief is provided that will prevent pull from being directly transmitted to joints or terminal screws.

1910.305(g)(1)(iv) · 1,843 citations

(iv) Unless specifically permitted otherwise in paragraph (g)(1)(ii) of this section, flexible cords and cables may not be used:

1910.305(g)(1)(ivb) · 1,151 citations

(B) Where run through holes in walls, ceilings, or floors;

1910.305(b)(1)(i) · 1,130 citations

(b) Cabinets, boxes, and fittings—(1) Conductors entering boxes, cabinets, or fittings. (i) Conductors entering cutout boxes, cabinets, or fittings shall be protected from abrasion, and openings through which conductors enter shall be effectively closed.

1910.305(g)(1)(ivd) · 1,066 citations

(D) Where attached to building surfaces;

Industries cited most

  • Manufacturing 14,126
  • Public Administration 3,504
  • Retail Trade 2,669
  • Wholesale Trade 2,073
  • Other Services (except Public Administration) 2,044
  • Construction 1,876

States cited most

Recently cited employers