What is a dead man switch?

A dead man switch is a safety function integrated into many machines that work to turn off the machine if the operator experiences a problem. As the name suggests, the machine turns off, even if the operator dies, but such devices also turn off the engine if the operator becomes unfit. In many cases, such switches may also work when the operator is harassed or disturbed, as it could be if the trains operator annoys passengers. When the operator stops interacting with the switch, a signal that cuts the engine is sent, which turns off the machine and is applied if necessary. Although this is not an ideal safe failure, this measure can prevent loss of life and damage to property. On the grass, for the exampl, users must hold the lawn handle in the position to keep the engine on. A dead man switch can also be a button or pedal that must be held to be on the machine on, and some advanced systems use touch sensors that rely on very light hand pressureor legs.

dead man switches can be found on a wide range of machines, including trains, tractors, boats and heavy lifting equipment. You can also find them on machines designed for personal use, such as treadmills and fast boats. A common form on some devices is a key harness that pulls out the ignition key, if the user falls or falls back, reduces performance.

You can also hear a dead man switch referred to as a killing switch, a dead man's handle, a dead man brake or a dead man's control. In the case of a machine used to transport a large number of people or cargo, the switch is commonly connected by a recorder, so in the event of an accident, investigators can determine whether the safety function worked as it should.

One unexpected bonus of a dead man switches is that it can make it very difficult, except for experienced operators. Such switches are part ofAbout gentle or confusing to use for people who have not been trained on a particular machine, and as a result, thieves can be difficult or impossible to run the machine to stole it.