Overhead lines facts for kids
Overhead lines or overhead wires are used to transmit electrical energy to trams, trolleybuses or trains at a distance from the energy supply point.
Related pages
Images for kids
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Overhead over a switch in Toronto: Two runners for pantographs flank the trolley pole frog.
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A swing bridge near Meppel, the Netherlands. There is no overhead line on the bridge; the train coasts through with raised pantograph.
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B&O's overhead third-rail system at Guilford Avenue in Baltimore, 1901, part of the Baltimore Belt Line. The central position of the overhead conductors was dictated by the many tunnels on the line: the ∩-shaped rails were located at the highest point in the roof to give the most clearance.
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An older rail bridge in Berwick-upon-Tweed, retrofitted to include overhead catenary lines
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Gantry with old and new suspended equipment at Grivita railway station, Bucharest.
See also
In Spanish: Catenaria (ferrocarril) para niños