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| # | Letters of Interpretation |
|---|---|
| 1 | - 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 |
| 2 | - 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. |
| 3 | - 1926.404(b)(1)(i) - CSHO use of external GFCI testers to enforce 29 CFR 1926.404(b)(1) |
| 4 | - 1926.404(b)(1)(i) - Use of approved GFCI's that do not have open-neutral protection. |
| 5 | - 1926.404(b)(1)(i) - Ground fault protection requirements for 120-volt and/or 240-volt circuits. |
| 6 | - 1926.404(b)(1)(i) - Ground fault protection for a construction job-site trailer. |
| 7 | - 1926.404(b)(1)(i) - Marking recognition, regulations and policy of double insulated power tools |
| # | Regulations |
|---|---|
| 1 | Wiring design and protection. |