# Federal Register
1 - 1926.404 - 78:17432-17448 - Kiewit Power Constructors Co. et al.; Application for a Permanent Variance and Request for Comments - PDF
2 - 1926.404 - 63:41298-41299 - Electrical Standards for Construction; Information Collection Requirements. - PDF
3 - 1926.404 - 37:0 - Hazardous Locations
4 - 1926.404 - 37:3512 - Hazardous Locations
5 - 1926.404 - 37:3431 - Hazardous Locations
6 - 1926.404 - 36:15533 - Hazardous Locations
# Standard Interpretations
1 - 1926.404, 1926.404(b)(1)(iii)(C) - Whether extension cords may be repaired and returned to use.
2 - 1926.404, 1926.404(b)(1), 1926.404(b)(1)(i), 1926.404(b)(1)(ii), 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.
3 - 1926.404 - Relevance of NFPA 70E industry consensus standard to OSHA requirements; whether OSHA requirements apply to owners.
4 - 1926.404, 1926.404(b)(1), 1926.404(b)(1)(i), 1926.404(b)(1)(ii), 1926.404(b)(1)(iii) - CSHO use of external GFCI testers to enforce 29 CFR 1926.404(b)(1)
5 - 1926.404(b)(1)(i), 1926.404, 1926.404(b), 1926.404(b)(1)(ii) - Use of approved GFCI's that do not have open-neutral protection.
6 - 1926.404, 1926.404(b)(1)(iii)(C), 1926.404(f)(7)(iv), 1926.404(f)(3), 1926.404(f)(7) - Repair requirements for the cord plug (attachment plug) of double-insulated tools.
7 - 1926.404 - Ground fault circuit interrupters on extension cords and portable tools.
8 - 1926.404 - Ground continuity monitoring devices.
9 - 1926.404 - Approval of Portable Generators by a qualified testing laboratory.
10 - 1926.404 - A Ground-Fault Circuit Interrupter may not be used in lieu of a tester or meter that can test for continuity of the equipment grounding conductor.
# Regulations
1 - 1926.404 - Wiring design and protection.