calibrated elevator drop key, override keys, and interior access keys in the secure Knox Elevator Box. Knox Elevator Box Meets Many State's Elevator Key Box Requirements Know Elevator Cabinet's heavy-duty steel construction design is far superior to a typical aluminum key box elevator door drop key Elevator Emergency Light. Direct replace emergency lights by Monitor, GAL, Dover, TKE, Innovation, Nylube, Adams, EPCO, Schindler, KONE. Universal mounting. When the elevator is at extreme travel, a minimum of 43 inch refuge area is required for traction/drum elevators when the counterweight is on a fully compressed buffer per ASME A17.1, Item 184.108.40.206, and a 43-inch refuge area is to be provided for hydraulic elevators (when on the stop ring) per ASME A17.1, Item 3.4.7. Segment Light Curtain SN-GM7 Series for Elevator Light Curtain , SN-GM7-Z/12192P 1. Package more light and secure, easy for carry. 2. Realize function with different range, angle and dimensionality.