👉 Turnoff, in electronic engineering and telecommunications, is a device that disables a device or system to prevent it from functioning properly. It typically consists of an external circuit or switch that is connected to a device or system being controlled (the "target") and is designed to interrupt its normal operation when the target is turned off. In electronics, turnoffs are often used in applications where there is a need to protect sensitive components or systems from potential damage by turning them off. They can be used as safety