Audible Signaling Devices for Fire Alarm and Signaling Systems, Including Accessories (CAN/ULC-S525:2016)standard by Underwriters Laboratories of Canada, 01/01/2016
Standard for Category 3 Film-Forming Fluoroprotein (FFFP) Foam Liquid Concentrates (CAN/ULC S563)standard by Underwriters Laboratories of Canada, 04/01/2006
Standard For Power Roof Ventilators For Commercial And Institutional Kitchen Exhaust Systems (ULC S645)standard by Underwriters Laboratories of Canada, 11/01/1999