Device to prevent moving until door closed

Checkout our iOS App for a better way to browser and research.

34:4-1. Device to prevent moving until door closed

Every elevator moving in a vertical shaft, used for carrying passengers, shall have some interlocking device that will automatically prevent the elevator car from being moved in either direction until the shaft door or gate at which the elevator car is standing is closed and securely fastened.


Download our app to see the most-to-date content.