<sod>A '''fail-safe''' is a device or practice that, in the event of a specific type of [[failure causes|failure]], responds or results in a way that will cause no harm, or at least minimizes harm, to other devices or to personnel.<eod>
<sod>A '''fail-safe''' in engineering is a device or practice that, in the event of a specific type of [[failure causes|failure]], inherently responds or results in a way that will cause no or minimal harm, to other equipment, the environment or to people.<eod>