Appendix B Rule 12-516
CSA C22.2 No. 18.3 provides requirements for inserts. CSA C22.2 No. 18.4 provides requirements for
protector plates and cylindrical bushings.
Source: Appendix B Rule 12-516, CSA C22.1:21, Canadian Electrical Code, Part 1 (25th Edition), Safety Standard for Electrical Installations. © 2021 Canadian Standards Association. Please visit store.csagroup.org