Rules for the Construction, Operation and Maintenance of Electric Transmission Lines of 6600 Volts and Less, Between Line Conductors Adopted by The Board of Railroad Commissioners Effective April 12, 1922 |
Rules for the Construction, Operation and Maintenance of Electric Transmission Lines of 6600 Volts and Less, Between Line Conductors Adopted by The Board of Railroad Commissioners Effective April 12, 1922 |