Overhead Wires

Some articles on overhead, wires, overhead wires, wire:

List Of IEC Technical Committees - List of Technical Committees
... and classes and their identification TC 4 Hydraulic turbines TC 5 Steam Turbines TC 7 Overhead electrical conductors TC 8 Systems aspects for electrical energy supply TC 9 Electrical equipment and systems ... selection and detection TC 51 Magnetic components and ferrite materials TC 55 Winding wires TC 56 Dependability TC 57 Power systems management and associated ... scientific and medical radio-frequency apparatus, to other (heavy) industrial equipment, to overhead power lines, to high voltage equipment and to ...
History Of The Oslo Tramway And Metro - Metro
... Originally it had overhead wires, low platforms and was served using trams ... The T1300 cars differed in that they could run on both third rail and overhead wires ... were gradually becoming more like the metro, although they retained overhead wires, a different signaling system and shorter platforms ...
DC Streetcar - Development
... current design of the streetcar system, which relies on overhead electrical wires and a pantograph to conduct power to the streetcar motor ... The NCPC has also opposed use of the wires along H Street NE, the 11th Street bridges, and in Anacostia ... But District of Columbia officials say the current overhead lines are not visually obtrusive, and that conduit collection systems are costly and break ...
List Of British Rail Electric Multiple Unit Classes
... operate off 25 kV alternating current (AC) from overhead wires ... Where clearances for the overhead wires on the Great Eastern Main Line and London, Tilbury and Southend railway routes were below standard, a reduced voltage of 6.25 kV AC was ... Railway routes used 1,500 V DC from overhead wires ...
Overhead Line - Overhead Catenary
... A catenary is a system of overhead wires used to supply electricity to a locomotive, streetcar, or light rail vehicle which is equipped with a ... Unlike simple overhead wires, in which the uninsulated wire is attached by clamps to closely spaced crosswires supported by poles, catenary systems use ... The catenary or messenger wire is hung at a specific tension between line structures, and a second wire is held in tension by the messenger wire, attached to it at frequent intervals by clamps ...

Famous quotes containing the words wires and/or overhead:

    Putting people in a room and strapping wires to their wrist to find out if I make them tingle when I’m telling them about Beirut is a long way from Edward R. Murrow.
    Linda Ellerbee (b. 1932)

    There’s something wonderfully exciting about the quiet sing song of an aeroplane overhead with all the guns in creation lighting out at it, and searchlights feeling their way across the sky like antennae, and the earth shaking snort of the bombs and the whimper of shrapnel pieces when they come down to patter on the roof.
    John Dos Passos (1896–1970)