Standard Interpretations
RSS Standard Interpretations Subscribe to our RSS Standard Interpretations feed.
Standard Interpretations are letters or memos written in response to public inquiries or field office inquiries regarding how some aspect of or terminology in an OSHA standard or regulation is to be interpreted and enforced by the Agency. These letters provide guidance to clarify the application of an established OSHA standard, policy, or procedure, but they may not, in themselves, establish or revise OSHA policy or procedure or interpret the OSH Act. They must specifically cite the source policy or procedure document they interpret.
- 1926.449 - Acceptable uses of flexible temporary cords/cables on construction sites. - 01/16/2003
- 1926.449 - Approval of temporary power for a construction site. - 01/08/1992
- 1926.449 - Hoists for suspension scaffolds must be tested by a qualified testing laboratory. - 01/16/2001
- 1926.449 - Laboratory testing requirements for hand-held electrical construction tools. - 12/12/1986
- 1926.449 - Portable and vehicle mounted generators must be "approved" on the job site. - 06/28/1993
- 1926.449 - Repair requirements for the cord plug (attachment plug) of double-insulated tools. - 05/19/2003
- 1926.449 - Temporary lighting branch circuits. - 09/24/1987
- 1926.449 - Tunnel boring machine equipment. - 12/09/1993
- 1926.449 - Use of approved GFCI's that do not have open-neutral protection. - 07/07/2003
- 1926.449 - Whether an employer can repair an extension cord under 29 CFR 1926, Subpart K. - 04/12/2010