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(last edited July 20, 2005) Front Page | Recent Changes | Title Index | User Preferences | Random Page | HelpGeneric term (as in "the overhead") referring to electric traction supply wires suspended over the track for current collection by trains. Also known as "overhead line", "OLE" (overhead line equipment), or catenary after the line suspension system. Current is collected by a pantograph on the roof of the train or locomotive.