2019 California Standards for Accessible Design Guide (effective January 1, 2020 with July 1, 2021 amendments)

11B-407.4.6 Elevator car controls.

Where provided, elevator car controls shall comply with Sections 11B-407.4.6 and 11B-309.4.

Exception: In existing elevators, where a new car operating panel complying with Section 11B-407.4.6 is provided, existing car operating panels may remain operational and shall not be required to comply with Section 11B-407.4.6.

11B-407.4.6.1 Location.

Controls shall be located within one of the reach ranges specified in Section 11B-308.

Exceptions:

1. Where the elevator panel serves more than 16 openings and a parallel approach is provided, buttons with floor designations shall be permitted to be 54 inches (1372 mm) maximum above the finish floor.
2. In existing elevators, car control buttons with floor designations shall be permitted to be located 54 inches (1372 mm) maximum above the finish floor when a parallel approach is provided.

11B-407.4.6.2 Buttons.

Car control buttons with floor designations shall comply with Section 11B-407.4.6.2.

Exception: Reserved. 

[2010 ADA Standards] EXCEPTION: In existing elevators, buttons shall be permitted to be recessed.

11B-407.4.6.2.1 Size and shape. Buttons shall have square shoulders, be ¾ inch (19.1 mm) minimum in their smallest dimension and be raised ¹/₈ inch (3.2 mm) plus or minus ¹/₃₂ inch (0.8 mm) above the surrounding surface.

[2010 ADA Standards] 407.4.6.2.1 Size. Buttons shall be ¾ inch (19 mm) minimum in their smallest dimension.

11B-407.4.6.2.2 Arrangement.

Buttons shall be arranged with numbers in ascending order. When two or more columns of buttons are provided they shall read from left to right.

11B-407.4.6.2.3 Illumination.

Car control buttons shall be illuminated.

11B-407.4.6.2.4 Operation.

Car control buttons shall be activated by a mechanical motion that is detectable.

11B-407.4.6.3 Keypads.

Car control keypads shall be in a standard telephone keypad arrangement and shall comply with Section 11B-407.4.7.2.

11B-407.4.6.4 Emergency controls.

Emergency controls shall comply with Section 11B-407.4.6.4.

11B-407.4.6.4.1 Height.

Emergency control buttons shall have their centerlines 35 inches (889 mm) minimum above the finish floor.

11B-407.4.6.4.2 Location.

Emergency controls, including the emergency alarm, shall be grouped at the bottom of the panel.