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 air-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.
