General Order 64-A
Section II
Definitions Of Terms Used In This Order
22.8 Span Wire means a wire or cable used as auxiliary support for wires, cables, or other equipment. As applied to trolley construction it means a wire or cable used to support laterally, or which is attached to wires which support laterally, trolley contact therewith, including wires commonly referred to as cross span wires, bracket span wires, pull-offs, trolley strain guys, dead ends, etc.
A. Lift Span means a wire, cable or rod used to share the load of span wires or brackets.