General Order 64-A

Section XII

Supply Lines And Communication Lines Under Structures

123    Warning Signs.

Warning signs of substantial character with letters not less than 3 inches in height reading “High Voltage” or “Danger, Electric Wires _ _ _ _ Volts,” stating the normal voltage of the highest voltage circuit, shall be placed at the points where supply circuits carrying over 750 volts pass under a structure.  These signs shall be placed at each of the structure where the wires enter.