Regulations last checked for updates: May 01, 2025

Title 29 - Labor last revised: Apr 07, 2025
§ 1919.33 - Proof tests—wire rope.

Wire rope, except as provided in § 1919.14(b), shall be tested by sample, a piece being tested to destruction, and the safe working load of running ropes, unless otherwise acceptable to the Administration on the basis of design, shall not exceed one-fifth of the breaking load of the sample tested. In the case of running ropes used in gear with a safe working load exceeding 10 tons, the safe working load shall not exceed one-fourth of the breaking load of the sample tested.

authority: 33 U.S.C. 941; 29 U.S.C. 653,655,657; Secretary of Labor's Order No. 12-71 (36 FR 8754), 8-76 (41 FR 25059), 9-83 (48 FR 35736), 1-90 (55 FR 9033), 6-96 (62 FR 111), 3-2000 (65 FR 50017), 5-2002 (67 FR 65008), 5-2007 (72 FR 31160), or 4-2010 (75 FR 55355), as applicable; and 29 CFR 1911
source: 39 FR 22096, June 19, 1974, unless otherwise noted.
cite as: 29 CFR 1919.33