deadman switch


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deadman switch

[′ded‚man ‚swich]
(electricity)
An electrical switch that activates some function if it is turned off.
References in periodicals archive ?
The system includes safety features; it s explosion proof (as per the Canadian electrical code), incorporates easy-to-use emergency stop buttons and controls to be operated with large winter gloves and provides a deadman switch can be used by operators during refueling.
There were also problems with a further automatic closure system, or deadman switch, that should have closed off the preventer if those connections were lost.
Standard features include: a wide viewing window with high density fluorescent lighting for maximum operator visibility; full width access doors for easy loading and unloading and several operator safety features such as door interlock switch and a deadman switch on the foot pedal.