CSA C22.2 NO. 42.1:25 ✓ Most Recent

Preface 

This is the harmonized CSA Group and ULSE standard for Cover Plates for Flush-Mounted Wiring Device s. It is the third edition of CSA C22.2 No. 42.1 and the third edition of UL 514D. This edition of CSAC22.2 No. 42.1 supersedes the previous edition(s) published in 2013. This edition of UL 514D supersedes the previous edition published in 2023. This harmonized standard was prepared by CSA Group and ULSE. The efforts and support of the Technical Harmonization Subcommittee, 23BC, Wiring Devices of the Council on the Harmonization of Electrotechnical Standards of the Nations of the Americas (CANENA), are gratefully acknowledged. This standard is considered suitable for use for conformity assessment within the stated scope of the standard. This Standard was reviewed by the CSA Integrated Committee on Wiring Devices under the jurisdiction of the CSA Technical Committee on Wiring Products and the CSA Strategic Resource Group, and was approved by the CSA Technical Committee. This standard has been developed in compliance with the Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group. 

Scope 

1.1 This standard applies to metallic and nonmetallic cover plates and associated gaskets for flushmounted 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.