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)

71.6    Marking and Guarding

A.    Marking

Poles supporting only Class T conductors, in excess of 750 volts not on crossarms need not be marked as supporting high voltage conductors as required by Rule 51.6 .

B.    Guarding of Latticed Poles and Latticed Structures (See Rule 51.6–B )