C22.2 No.46-M1988 (R2011)

1. Scope 1.1 This Standard applies to air-heaters intended for use on nominal system voltages of 600 V or less, designed to be used in accordance with the Rules of the Canadian Electrical Code, Part I. 1.2 This Standard applies to permanently connected and cord connected a ir-heaters for household, commercial, and industrial use in nonhazardous locations. 1.3 The term air-heater includes the following types: (a) convection; (b) forced air; (c) radiation; (d) ceiling types only, or in combination with either lighting or ventilating components, or both; (e) liquid-filled radiator; and (f) combinations of (a), (b), or (c). Note: For convenience, except where distinction is necessary, portable and stationary air-heaters are referred to throughout this Standard as heaters. 1.4 This Standard does not apply to (a) unit heaters involving only steam or hot water heating with an electric air-circulator; (b) electric duct heaters, as covered in CSA Standard C22.2 No. 155; (c) central electric warm air furnaces, as covered in CSA Standard C22.2 No. 23; (d) radiant ceiling heating panels, panel sets and systems, as covered in CSA Standard C22.2 No. 217. 1.5 Requirements for cord-connected double-insulated electric air-heaters are specified in Clause 7 of this Standard.