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CSA C22.2 NO. 72:10 (R2024)

Current Reaffirmation

Heater elements

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Heater elements
Preface This is the third edition of CSA C22.2 No. 72, Heater elements , one of a series of Standards issued by the Canadian Standards Association under the Canadian Electrical Code, Part II. It supersedes the previous editions published in 1984 and 1942. For general information on the Standards of the Canadian Electrical Code, Part II, see the preface to CAN/CSA-C22.2 No. 0. This Standard is considered suitable for use for conformity assessment within the stated scope of the Standard. This Standard was prepared by the Subcommittee on Heater Elements, under the jurisdiction of the Technical Committee on Consumer and Commercial Products and the Strategic Steering Committee on Requirements for Electrical Safety, and has been formally approved by the Technical Committee. This Standard has been developed in compliance with 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 (a) heater elements for use in equipment that is intended to be connected to a supply of nominal system voltage of 600 V or less; and (b) those heater elements that are installed in accordance with the Rules of the Canadian Electrical Code, Part I. 1.2 This Standard applies to the following types of heater elements: (a) open wire (including wire, ribbon, and expanded metal); (b) metal sheathed (including removable-type range surface and grounded plug-in type); (c) variable resistance/temperature (VR/T); and (d) special (e.g., quartz tube, woven mat, parallel circuit mat, rope, cartridge, and strip). 1.3 This Standard does not apply to the following: (a) heating cables; (b) electric duct heaters; and (c) uninsulated heater elements used in bare element water heaters. 1.4 In CSA standards, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; "should" is used to express a recommendation or that which is advised but not required; and "may" is used to express an option or that which is permissible within the limits of the standard. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Annexes are designated normative (mandatory) or informative (nonmandatory) to define their application.

SDO CSA: Canadian Standards Association
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Publication Date May 13, 2024
Language en - English
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May 13, 2024 Reaffirmation