| # | Letters of Interpretation |
|---|---|
| 1 | - 1926.800(s)(3) - Oil-filled transformers and underground construction. |
| 2 | - 1926.800(s) - Tunnel boring machine equipment. |
| 3 | - 1926.800(s)(1) - Protection of flexible cords when hung in tunnel shafts. |
| # | Letters of Interpretation |
|---|---|
| 1 | - 1926.800(s)(3) - Oil-filled transformers and underground construction. |
| 2 | - 1926.800(s) - Tunnel boring machine equipment. |
| 3 | - 1926.800(s)(1) - Protection of flexible cords when hung in tunnel shafts. |