California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 7 - General Industry Safety Orders
Group 6 - Power Transmission Equipment, Prime Movers, Machines and Machine Parts
Article 43 - Shafting, Collars, Clutches, Cut-off Couplings and Clutch Pulleys
Section 4050 - Shafting, Collars, Clutches, and Couplings

Universal Citation: 8 CA Code of Regs 4050

Current through Register 2024 Notice Reg. No. 38, September 20, 2024

(a) All exposed parts of line or countershafting or collars, clutches, cut-off couplings and clutch pulleys seven feet or less above floor or other working level shall be guarded.

(b) Wherever shafting extends over a driveway it shall be enclosed or guarded with a trough guard unless it is located 15 feet or more above driveway or is a part of an overhead traveling crane and does not otherwise violate provisions in this order. See (d) below.

(c) Transmission shafting under benches shall be guarded in one of the following ways:

(1) Completely enclosed.

(2) Guarded by a trough guard enclosing sides and top or sides and bottom as the exposure requires. The sides of the trough shall come within at least 6 inches of the underside of the table, or if the shafting is located near floor, within 6 inches of the floor. In every case the sides of the trough shall extend at least 2 inches above or below the shafting.

(3) Guarded on exposed sides with a rigid shield guard extending from the underside of bench top to 2 inches below bottom line of shafting.

EXCEPTION: Wherever power sewing machines or other similar light machines are operated by shafting under the machine table, such shafting shall be in compliance when the shafting is 20 inches or more horizontally from the vertical plane of the working edge of the bench. When such transmission is so located it constitutes a hazard, it shall be guarded.

(d) Shafting which crosses or runs parallel to elevated runways, walkways, catwalks, or platforms and is within the vertical height of seven feet or within 15 inches of either side of such runway, walkway, catwalk or platform shall be guarded.

1. Amendment of subsections (a) and (c) (EXCEPTION only) filed 10-9-85; effective thirtieth day thereafter (Register 85, No. 44).

Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.

Disclaimer: These regulations may not be the most recent version. California may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.