The assembly can be recessed or surface mounted using a standard two-gang masonry box, minimum 2.5 (63. The Special Weapons Emergency Separation System is an application of this concept in the field of nuclear weapons.Ī similar concept has been employed with computer data, where the "switch" is a decryption key that can release sensitive information, as with the WikiLeaks "Insurance File". ABORT SWITCH DESCRIPTION The abort switch assembly, P/N 10-1639, consists of a momentary-contact, push button switch, normally-open contact block, normally-closed contact block, and stainless steel switch plate with adhesive label. ![]() When the switch is released, the device will activate, so that if the user is killed while holding the switch, the switch will be released and the bomb will detonate. The user holds down a switch of some sort in their hand which arms the device. Switches of the former type are commonly used in locomotives, aircraft refuelling, freight elevators, lawn mowers, tractors, personal watercraft, outboard motors, chainsaws, snowblowers, tread machines, snowmobiles, and many medical imaging devices.Ī dead man's switch may also be used to activate a harmful device, such as a bomb or IED. The switch, a form of fail-safe, is usually wired so that it stops a machine by breaking a series circuit, although a spring-operated "dead man's switch" can be used to activate a system by completing a circuit when it is no longer held down. ![]() Freebase (0.00 / 0 votes) Rate this definition:Ī dead man's switch is a switch that is automatically operated in case the human operator becomes incapacitated, such as through death or loss of consciousness.
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