Ads
related to: keyed light switches for schools and universitiescooperlighting.com has been visited by 10K+ users in the past month
Search results
Results From The WOW.Com Content Network
A key switch (sometimes called a keyswitch or lock switch) is a key-operated switch. [1] Key switches are used in situations where access to the switch's functions needs to be restricted. [2] [3] Key switches are available as components with solder connections, and are available with a variety of ampere ratings. They may use tubular or other ...
These require a simple key or tool to operate, and thus discourage casual or accidental operation of the switch. [3] [4] In some devices, the switch is built into a keyed lock mechanism, which prevents unauthorized use of the device. In this type of vandal-proof system, when the key is turned in the lock, the user can turn the equipment on.
The toggle light switch was invented in 1916 by William J. Newton. [2] As a component of an electrical wiring or home wiring system, the installation of light switches is regulated by some authority concerned with safety and standards. In different countries the standard dimensions of the wall mounting hardware (boxes, plates, etc.) may differ.
A keyswitch is a type of small switch used for keys on keyboards. Key switch is also used to describe a switch operated by a key, usually used in burglar alarm circuits. A car ignition is also a switch of this type.
Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.
Upgrade to a faster, more secure version of a supported browser. It's free and it only takes a few moments: