General Order 95

Section VII

Detailed Construction Requirements for Trolley and Electric Railway
Contact and Feeder Conductors and Their Supporting Messengers,
Span Wires, Etc. (Class T Circuits)

78.1    Feeder Conductors

Trolley feeders not exceeding 750 volts may, when suitably insulated, be attached to span wires supporting trolley contact conductors of the same system.