What is the purpose of a lanyard attached to an engine cut-off switch?

A lanyard attached to an engine cut-off switch is a safety device commonly used in marine engines, such as those on boats and personal watercraft. The purpose of the lanyard is to ensure that the engine will shut off if the operator falls overboard or is otherwise separated from the controls.

The way it works is that the lanyard is typically worn around the operator's wrist or attached to their life jacket. One end of the lanyard is connected to the engine's cut-off switch, which triggers the engine to shut off if the lanyard is pulled out of the switch. This prevents the engine from running unattended if the operator falls overboard or is unable to control the vessel.

Overall, the purpose of a lanyard attached to an engine cut-off switch is to enhance safety on the water by providing a way to quickly stop the engine in an emergency situation, preventing accidents and potential harm to the operator and others.