CSA - C22.2 NO. 72-M1984
|Publication Date:||1 October 1984|
This Standard applies to heater elements for use in equipment intended to be connected to a supply of nominal system voltage sf 600 V or less, and to those elements that are installed in accordance with the Rules of the Canadian Electrical Code, Part I.
This Standard applies to the following types:
(a) open wire (including wire, ribbon, and expanded metal);
(b) metal sheathed:
(c) variable resistance/temperatu
(d) special (eg, quartz tube, woven mat, parallel circuit mat, rope, cartridge, and strip).
This Standard does not apply to heating cables or electric duct heaters