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This is the common CSA and UL standard for electrical rigid metal conduit - steel. It is the first edition of CSA C22.2 No. 45.1 and the thirteenth edition of UL 6.
This edition of CSA C22.2 No. 45.1 supersedes the requirements of CSA Standard C22.2 No. 45, published in 1981, for products covered in this standard, as indicated in the scope of this standard.
This edition of UL 6 supersedes the previous edition published on July 31, 2000. This common standard was prepared by the the Canadian Standards Association (CSA) and Underwriters Laboratories Inc. (UL).
The efforts and support of the Technical Harmonization Subcommittee for Conduit and Tubing of the Council on the Harmonization of Electrotechnical Standards of the Nations of the Americas (CANENA) are gratefully acknowledged.
Scope
1.1 These requirements cover electrical rigid metal conduit - steel (ERMC-S), elbows, couplings, and nipples for use as a metal raceway for installation of wires and cables in accordance with CSA C22.1, Canadian Electrical Code, Part 1, and NFPA 70, National Electrical Code (see Reference Item No. 1, Annex A). ERMC-S is provided with a zinc, zinc-based, nonmetallic, or other alternate corrosion-resistant exterior coating and an organic or zinc interior coating. It is the user's responsibility to determine the appropriate product for their application.
1.2 Non-ferrous or stainless steel conduit is covered by the standards listed in Reference Item No. 2, Annex A.
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