master switch


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master switch

[′mas·tər ‚swich]
(electricity)
Switch that dominates the operation contactors, relays, or other magnetically operated devices.
Switch electrically ahead of a number of individual switches.

master switch

A single electric switch in a wiring system which controls the supply of power to a building, or the action of relays or any other remotely operated devices.
References in periodicals archive ?
Examination revealed a fully operational system except for the co-pilot's control yoke steering master switch, which was found to be sticking from FOD.
The change to the new master switch will be done free of cost to the vehicle owner.
Wu's title phrase, "the master switch," is a clever double entendre: Information industries switch back and forth between open and closed, and when they close down, the result is centralized control through a "master switch" (a phrase Wu borrows from Fred Friendly, one of the pioneers of television news).
KLF14 seems to act as a master switch controlling processes that connect changes in the behavior of subcutaneous fat to disturbances in muscle and liver that contribute to diabetes and other conditions," said Mark McCarthy from Britain's Oxford University, who also worked on the study.
Tim Wu is a professor at Columbia Law School whose passion for his important subject infuses The Master Switch with energy (incidentally, he's currently on leave and serving as a senior adviser at the Federal Trade Commission).
The Master Switch is a provocative thesis on where the Internet has come from and where it is headed.
Wu's central claim in The Master Switch is that information industries evolve toward "closed," corporate-controlled, anti-consumer systems.
There is no air conditioning or satellite navigation but the standard kit does include a fire extinguisher, a roll cage and pre-wiring for a battery master switch that enables the driver to kill the power in an emergency.
The M-606 controls lighting and various motors on vehicles by working as a master switch, usually controlling a group of switches not normally in use.
Trip the master switch and a complex series of events eventually leads to the blast off of the space shuttle.
There is also a master switch at the bottom of the left grip that turns everything off.