R 408.18115 Power controls and motors.

Rule 8115. (1) Provision shall be made to prevent permanently connected machinery and equipment, other than compressors and air moving equipment used for air conditioning and refrigeration, and fire protection and pumps, from automatically restarting upon restoration of power after a power interruption if unexpected start up could cause injury. (2) A control device, except a stop button, shall be so arranged or guarded as to prevent accidental activation where activation could cause injury. (3) Where a hazard exists, a machine shall be equipped with an emergency stop device, red in color, that can be activated from an operator’s work station. (4) When a 2-hand control device is required, it shall require the concurrent use of both hands to activate the machine or equipment. The device shall be located in a manner to prevent bridging. Where more than 1 employee is exposed to the point of operation, a 2-hand control device shall be provided each employee and the controls shall operate concurrently. (5) An electric motor, control, and other electrical components used on dry ingredient handling and storage equipment shall be dust ignition tight.