Third-rail system

Third-rail system
Third-rail system Third-rail system (Electric Railways) A system in which a third rail is used for carrying the current for operating the motors, the rail being insulated from the ground and the current being taken off by means of contact brushes or other devices. [Webster 1913 Suppl.]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • third-rail system — noun (elec eng) A system of electric traction supply by which current is fed to the tractor from an insulated conductor rail running parallel with the track • • • Main Entry: ↑third …   Useful english dictionary

  • Third rail — (Electric Railways) (a) The third rail used in the third rail system. (b) An electric railway using such a rail. [Colloq.] [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

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  • Rail transport in Japan — is a major means of passenger transport, especially for mass and high speed travel between major cities and for commuter transport in metropolitan areas.OverviewSix Japan Railways Group (JR) companies, state owned until 1987, provide passenger… …   Wikipedia

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  • Rail — or rails may refer to:* Guard rail, for safety or support * Handrail, on a stairway * Rallidae, the group of birds called rails * Rail tracks * The hot rolled steel profiles used on rail tracks or Tramway tracks ** Railway rail ** Vignoles rail… …   Wikipedia

  • Rail transport in Victoria — Infobox rail railroad name = Railways of Victoria logo filename = logo size = system map caption = Victorian railway network, passenger lines in colour, freight only lines in grey marks = locale = Victoria, Australia start year = 1854 end year =… …   Wikipedia

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