1. Scope

1.1

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

1.2

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

1.3

This Specification does not apply to: (a) equipment utilizing high-frequency alternating currents; (b) soldering irons, tube vulcanizers, and similar small devices which, although often 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.