All information provided by the Illinois Department of Commerce and Economic Opportunity and all statistics provided by the U.S. Census Bureau.
Unlike universal or realtor residential-grade boxes that can be opened by anyone who has a common key or PIN, Knox HomeBox is a high security, weather-resistant key safe that can only be accessed by your fire department 24 hours a day, 7 days a week to provide peace of mind and safety to your property, loved ones, and pets.
UL 514A. Metallic Outlet Boxes. 1.1 This standard applies to metallic OUTLET BOXES, flush-DEVICE BOXES, FLOOR BOXES, CONCRETE BOXES, EXTENSION RINGS, covers, CONDUIT BODIES, BAR HANGERS, bar-hanger assemblies, and all accessories whose principal function is for support of boxes.