scope:

This Specification applies to portable and stationary, industrial type heating equipment for potentials of 600 volts and less, designed to be used in ordinary (i.e. non-hazardous) locations in accordance with the rules of Part I of this Code.

This Specification applies to heat treating and other special-use furnaces, infrared mobile and stationary drying ovens, steam boilers and distilling equipment of the electrode or resistance-eIement type, liquid-heaters, electrically-heated presses, and similar equipment.

This Specification does not apply to:

(a) Equipment utilizing high-frequency alternating currents;

(b) Soldering irons, tube vulcanizers, and similar small devices which, although of ten used in industrial premises, normally have enclosures, spacings, and other constructional features similar to appliances; or

(c) Air-heaters for industrial establishments, which are covered in the latest issue of CSA Specification C22.2 No. 46, Electric Air-Heaters.