UL 514D Ed. 3-2025

Cover Plates for Flush-Mounted Wiring Devices - Published Date: October 13, 2025

1.1 This standard applies to metallic and nonmetallic cover plates and associated gaskets for flush-mounted wiring devices intended for installation in accordance with the National Electrical Code, ANSI/NFPA 70, the Canadian Electrical Code, Part I, CSA C22.1, and the General Requirements – Canadian Electrical Code, Part II, CSA C22.2 No. 0.  1.2 This standard also applies to outlet box hoods that are either integral or not integral with a cover plate for flush-mounted wiring devices.  1.3 This standard also applies to cover plates for flush-mounted wiring devices intended for use in marine applications in accordance with the applicable requirements of the United States Coast Guard and the Canadian Coast Guard; IEEE Recommended Practice for Electrical Installation on Shipboard, IEEE 45; the American Boat and Yacht Council; and the Standard for Pleasure and Commercial Motor Craft, NFPA 302.  1.4 This standard also applies to illuminating cover plates for flush-mounted wiring devices.  1.5 This standard does not apply to:  a) telephone wall plates;  b) cover plates and associated gaskets intended for use in hazardous (classified) locations as defined in the National Electrical Code, ANSI/NFPA 70, and the Canadian Electrical Code, Part I, CSA C22.1;  c) backplates, backplates intended to support live parts, or docking plates intended to support live parts;  d) box partition; or  e) cover plates or outlet box hoods intended to provide direct support of live parts, or parts that may become energized.