126.96.36.199 Vision Panels
(a) clear wire glass not less than 6 mm (0.25 in.)
(b) other transparent glazing material not less than 6 mm (0.25 in.) thick that meets the impact safety standard 16CFR Part 1201 or CAN/CGSB-12.1, CAN/CGSB-12.11, or CAN/CGSB-12.12, whichever is applicable (see Part 9)
(a) Grilles shall be sized to fit within or over the vision panel frame and to completely cover the vision panel opening in the hoistway door.
(b) Grilles shall be secured by means that deter removal by common tools.
(c) Grilles shall contain openings that shall be not larger than 19 mm x 19 mm (0.75 in. x 0.75 in.) in diameter. Such openings shall be spaced at 25 mm (1 in.) center-to-center.
(d) Grille edges shall be beveled and free of burrs.
(e) Grilles shall be installed on the hoistway side of the door.