126.96.36.199 Car Enclosure, Car Doors and Gates, and Car Illumination
(a) The exit opening shall have an area of not less than 0.26 m2 (400 in.2) and shall measure not less than 400 mm (16 in.) on any side.
(b) The exit shall be located to provide a clear passageway unobstructed by fixed elevator equipment located in or on top of the car.
(c) The exit cover shall open outward and shall be hinged or otherwise attached to the car top and arranged so that the cover can be opened only from the top of the car. When opened, the cover shall not protrude beyond the perimeter of the car.
(d) Operation of the car with the top emergency exit open is prohibited, except as specified in (e).
(e) Operation of the car with the top emergency exit open is permissible only when the load cannot be carried totally within the car enclosure and the operation is under the direct supervision of authorized personnel. The car shall not be operated at a speed faster than 0.75 m/s (150 ft/min).