5.11.12 Landing Platform Door Locking Devices and Electric Contacts
They shall be so installed and adjusted that the electric contact cannot close until the door is in the closed position and so that the locking member is in a position to lock the door when or before the contact closes. In order to prevent motion of the door from opening the electric contact while the door is locked in the closed position, multiple-locking points shall, where necessary, be provided on the locking mechanism.
The labels shall include the following data:
(a) the name, trademark, or certifying organization file number by which the organization that manufactured the product can be identified
(b) the certifying organization name or identifying symbol
(c) statement of compliance with ASME A17.1 or CSA B44
(d) a distinctive type, model, or style letter or number
(e) rated voltage and current, and whether AC or DC
(f) rated test force and rated test movement when the device is of a type released by an actuating device mounted on the car when tested per 18.104.22.168.7, except the term "retiring cam" shall be replaced with the words "actuating device mounted on the car"