The JDS 1996 Sensing Saf-Start helps to comply with OSHA's anti-automatic restart requirement. When installed on any equipment and there is an electrical power interruption to the equipment, the SENSING-SAF-START will open the circuit so when the power source is restored, it will prevent the equipment from restarting. Use this SENSING-SAF-START Plug on all 120 Volt powered machines that have good power cords on them already.Short extension cord style. Fourteen inch cord on the male plug end and a twelve inch cord on the female receptacle end. 120 Volts AC, 15A maximum, 50/60 cycle.