switch box
21Coupon-eligible converter box — TV Converter Box Coupon Program URL https://www.dtv2009.gov/[dead link] …
22Signal box — A signal box or signal cabin is a building from which railway signals and points are controlled. The term signal cabin is used in Ireland, parts of Scotland and in Australia while in North America, the term interlocking tower predominates.… …
23Delay box — is a common slang term used in drag racing to describe an on board timer which is a Transmission Brake Delay Timer. A transbrake forces the race car to remain stationary at the starting line, in gear, regardless of how much engine power is… …
24Railroad switch — For other uses, see Switch (disambiguation). A right hand railroad switch with point indicator pointing to right …
25Light switch — A light switch is a switch, most commonly used to operate electric lights, permanently connected equipment, or electrical outlets.In modern homes most lights are operated using switches set in walls, usually 6 10 inches (15 25 cm) away from a… …
261ESS switch — The Number One Electronic Switching System, the first large scale Stored Program Control (SPC) telephone exchange or Electronic Switching System in the Bell System, was introduced in Succasunna, New Jersey, in May 1965[1]. The switching fabric… …
27Talk box — A talk box is an effects device that allows a musician to modify the sound of a musical instrument. The musician controls the modification by changing the shape of their mouth. The effect can be used to shape the frequency content of the sound… …
28Blue box (phreaking) — An early phreaking tool, the blue box is an electronic device that simulates a telephone operator s dialing console. It functions by replicating the tones used to switch long distance calls and using them to route the user s own call, bypassing… …
29safety switch — noun : an electric switch completely enclosed in a metal box with an external control handle and so designed that the box cannot be opened while the switch is closed and the switch cannot be closed while the box is open …
30Dead man's switch — For other uses, see Dead man s switch (disambiguation). A dead man s switch in a high altitude truck A dead man s switch (for other names, see alternative names) is a switch that is automatically operated in case the human operator becomes… …
