#	Letters of Interpretation
1	04/18/2014 - 1926.404(b)(1)(iii)(C) - Replacing electrical cords
2	04/04/2010 - 1926.404(b)(1)(iii)(C) - Whether extension cords may be repaired and returned to use.
3	03/22/2005 - 1926.404(b)(1)(iii) - Application of 1926.404(b)(1) to 208-volt branch circuits; requirement for electrical subcontractor under 1926.404(b)(1) to provide ground-fault circuit interrupters on circuits used by other subcontractors
4	02/07/2005 - 1926.404(b)(1)(iii) - Requirements of 1926.404(b)(1) application to 208-volt branch circuits; electrical subcontractor requirements under 1926.404(b)(1) to monitor other on-site subcontractors.
5	07/09/2003 - 1926.404(b)(1)(iii) - CSHO use of external GFCI testers to enforce 29 CFR 1926.404(b)(1)
6	05/19/2003 - 1926.404(b)(1)(iii)(C) - Repair requirements for the cord plug (attachment plug) of double-insulated tools.
7	10/14/1999 - 1926.404(b)(1)(iii) - GFCI and coverplate requirements in construction;use of fall arrest systems and scaffolding.
8	08/09/1993 - 1926.404(b)(1)(iii)(G) - Extension cord grounding continuity requirements.
9	08/09/1993 - 1926.404(b)(1)(iii)(E) - Extension cord grounding continuity requirements.
10	08/09/1993 - 1926.404(b)(1)(iii)(D) - Extension cord grounding continuity requirements.

#	Regulations
1	09/25/2002 - - Wiring design and protection.

#	Federal Register
1	12/04/1998 - 1926.404(b)(1)(iii) - 63:67136-67139 - Submission for OMB Review; Comment Request. - PDF
2	08/06/1998 - 1926.404(b)(1)(iii) - 63:42067-42068 - Electrical Standards for Construction; Information Collection Requirements. - PDF