Section R. 408.7097 - Operation and operation devicesRule 97.
(1) The operation at top and bottom landings shall be of the constant pressure type.(2) The car operating device shall be of the constant pressure push button type with the face of the button not to project beyond the face of the button plate. The device shall be of the 2-hand control type.(3) An emergency stop switch shall be provided on or adjacent to the car operating panel. A stop switch shall be of the manually opened and manually closed type with a red handle or button and conspicuously marked "Stop." Spring failure shall not prevent opening of the switch where springs are used.Mich. Admin. Code R. 408.7097