scope:

This Standard applies to air-haters intended for use on nominal system voltages of 500 V or less, designed to be used in accordance with the Rules of the Canadian Electrical Code, Part I.

This Standard applies to permanently connected and cord connected air-heaters for household, commercial, and industrial use in non-hazardous locations.

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".

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.

Requirements for cord-connected double-insulated electric air-heaters are specified in Clause 7 of this Standard.