#	Letters of Interpretation
1	04/12/2010 - 1926.449 - Whether an employer can repair an extension cord under 29 CFR 1926, Subpart K.
2	03/16/2009 - 1926.449 - Whether electric hand tools disassembled and deemed irreparable by a tool repair service are required to be returned disassembled.
3	07/07/2003 - 1926.449 - Use of approved GFCI's that do not have open-neutral protection.
4	05/19/2003 - 1926.449 - Repair requirements for the cord plug (attachment plug) of double-insulated tools.
5	01/16/2003 - 1926.449 - Acceptable uses of flexible temporary cords/cables on construction sites.
6	09/25/2001 - 1926.449 - Applicable standards to protect employees, not engaged in electrical work, operating an aerial lift within 10 feet of overhead electrical lines.
7	01/16/2001 - 1926.449 - Hoists for suspension scaffolds must be tested by a qualified testing laboratory.
8	01/28/1994 - 1926.449 - All electric tools need to be tested by a qualified national testing laboratory and be listed and labeled
9	12/09/1993 - 1926.449 - Tunnel boring machine equipment.
10	06/28/1993 - 1926.449 - Portable and vehicle mounted generators must be "approved" on the job site.
11	01/08/1992 - 1926.449 - Approval of temporary power for a construction site.
12	01/07/1992 - 1926.449 - "Approved" and "Acceptable" equipment has been determined to be safe by a qualified electrical testing laboratory.
13	09/24/1987 - 1926.449 - Temporary lighting branch circuits.
14	12/12/1986 - 1926.449 - Laboratory testing requirements for hand-held electrical construction tools.

#	Regulations
1	04/15/2002 - 1926.449 - Definitions applicable to this subpart.