Emergency stop controls shall be easily accessible and shall stop all hazardous motion and remove drive power from the machine. Emergency stop buttons shall be red with a yellow background, unguarded, protruding-style, self-latching and shall not cause a restart upon reset. Emergency pull cords shall activate when pulled in any direction as well as if the cord breaks. Reference: CSA Z432-16: Safeguarding of Machinery, Section 7.15.