Overhead lines

single or rarely double wire used to transmit electrical energy to trains, trams, or trolleybuses, hanging above the route of the vehicle From Wikipedia, the free encyclopedia

Overhead lines
This article is about the transmission of electrical power to public transport vehicles. For transmission of bulk electrical power to general consumers, see Electric power transmission. For powerlines mounted on pylons, see overhead power line.

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.

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The outdoor overhead lines of a Swiss Federal Railways track.
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Overhead conductor rails inside a building.

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