# Standard Interpretations
1 - 1926.404(b) - 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
2 - 1926.404(b) - Use of approved GFCI's that do not have open-neutral protection.
3 - 1926.404(b) - Ground fault protection requirements for 120-volt and/or 240-volt circuits.
4 - 1926.404(b) - Possible Hazard in the Use of GFCI Worn on an Employee's Belt.
5 - 1926.404(b)(1) - Extension Cords Connected to Permanent Wiring of a Construction Site Building
6 - 1926.404(b)(1) - Information on ground fault circuit Interrupters
7 - 1926.404(b)(1) - Ground Fault Circuit Interrupter Information
8 - 1926.404(b)(1) - Requirements for cord sets connected to permanent wiring.
9 - 1926.404(b)(1) - Ground-fault protection for branch circuits.
10 - 1926.404(b)(1) - CSHO use of external GFCI testers to enforce 29 CFR 1926.404(b)(1)
11 - 1926.404(b)(1)(i) - CSHO use of external GFCI testers to enforce 29 CFR 1926.404(b)(1)
12 - 1926.404(b)(1)(ii) - CSHO use of external GFCI testers to enforce 29 CFR 1926.404(b)(1)
13 - 1926.404(b)(1)(iii) - CSHO use of external GFCI testers to enforce 29 CFR 1926.404(b)(1)
14 - 1926.404(b)(1) - 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.
15 - 1926.404(b)(1)(i) - 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.
16 - 1926.404(b)(1)(ii) - 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.
17 - 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.
18 - 1926.404(b)(1) - 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
19 - 1926.404(b)(1)(i) - 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
20 - 1926.404(b)(1)(ii) - 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
21 - 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
22 - 1926.404(b)(1)(i) - Marking recognition, regulations and policy of double insulated power tools
23 - 1926.404(b)(1)(i) - Ground fault protection for a construction job-site trailer.
24 - 1926.404(b)(1)(i) - Ground fault protection requirements for 120-volt and/or 240-volt circuits.
25 - 1926.404(b)(1)(ii) - Ground fault protection requirements for 120-volt and/or 240-volt circuits.
26 - 1926.404(b)(1)(i) - Use of approved GFCI's that do not have open-neutral protection.
27 - 1926.404(b)(1)(ii) - Use of approved GFCI's that do not have open-neutral protection.
28 - 1926.404(b)(1)(ii) - Proper equipment for testing ground-fault circuit interrupters (GFCIs).
29 - 1926.404(b)(1)(ii) - Use of flexible cords for connection of appliances; scaffold base plates.
30 - 1926.404(b)(1)(ii) - GFCI and coverplate requirements in construction;use of fall arrest systems and scaffolding.
31 - 1926.404(b)(1)(iii) - GFCI and coverplate requirements in construction;use of fall arrest systems and scaffolding.
32 - 1926.404(b)(1)(iii)(C) - Repair requirements for the cord plug (attachment plug) of double-insulated tools.
33 - 1926.404(b)(1)(iii)(C) - Whether extension cords may be repaired and returned to use.
34 - 1926.404(b)(1)(iii)(C) - Replacing electrical cords
35 - 1926.404(b)(1)(iii)(D) - Extension cord grounding continuity requirements.
36 - 1926.404(b)(1)(iii)(E) - Extension cord grounding continuity requirements.
37 - 1926.404(b)(1)(iii)(G) - Extension cord grounding continuity requirements.
38 - 1926.404(b)(2) - Electric power tools: grounding, NRTL approval, and suitable circuit connection.