third wire system

См. также в других словарях:

• three-wire system — noun : a constant potential system of electric distribution in which lamps or other receiving devices are connected between either one of two main conductors and a third wire and motors and heavy duty appliances are usually connected across the… …   Useful english dictionary

• Third rail — For other uses, see Third rail (disambiguation). Third rail at the West Falls Church Metro station near Washington, D.C., electrified at 750 volts. The third rail is at the top of the image, with a white canopy above it. The two lower rails… …   Wikipedia

• Wire spring relay — A wire spring relay is a type of relay, primarily manufactured by the Western Electric Company for use by the Bell System in electromechanical telephone exchanges. It was licenced for use around the world, and was commonplace in Japan. A wire… …   Wikipedia

• Wire wrap — This article deals with electronics manufacturing and prototyping techniques, see Wire wrap jewellery for the jewellery related topic Wire wrap is a technique for constructing small numbers of complex electronics assemblies. It is an alternative… …   Wikipedia

• Third rail (model railroading) — The use of a third rail in model railroading is a technique that is sometimes applied in order to facilitate easier wiring.Two rail versus three rail systemEarly toy trains used two metal rail tracks like most real trains. However, manufacturers… …   Wikipedia

• Copper wire and cable — Copper has been used in electric wiring since the invention of the electromagnet and the telegraph in the 1820s.[1][2] The invention of the telephone in 1876 proved to be another early boon for copper wire.[3] Today, despite competition from… …   Wikipedia

• The Wire — infobox television bgcolour = #feee8e show name = The Wire caption = The Wire promotional art format = Crime Drama camera = Single camera picture format = 480i SDTV audio format = Dolby Digital 5.1 runtime = approx. 55 min. creator = David Simon… …   Wikipedia

• rocket and missile system — ▪ weapons system Introduction       any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion.       Rocket is a general term used broadly to describe a variety of jet propelled missiles… …   Universalium

• Fly system — Fly loft of the Theater Bielefeld in Germany A fly system, flying system or theatrical rigging system, is a system of lines (e.g. ropes), blocks (pulleys), counterweights and related devices within a theatre that enable a stage crew to quickly,… …   Wikipedia

• Railway electrification system — Railway electrification supplies electrical energy to railway locomotives and multiple units so they can operate without having a reciprocating engine of their own.CharacteristicsThe main advantage of electric traction is a higher power to weight …   Wikipedia

• nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… …   Universalium