Overhead lines
Overhead lines or overhead wires are used to transmit electrical energy to trams, trolleybuses or trains at a distance from the energy supply point. This may be abbreviated to OHL or OHLE for OverHead Line Equipment.
Overhead Lines Media
Lineworkers on a maintenance of way vehicle repairing overhead lines (Poland)
Overhead over a switch in Toronto: Two runners for pantographs flank the trolley pole frog.
A pantograph of EMU passes neutral section of 25 kV 50 Hz AC overhead line without lowering but with switching off a circuit breaker
Operation of the overhead conductor rails at Shaw's Cove Railroad Bridge in Connecticut