This standard applies to portable electric motor-operated or magnetically-driven tools, intended for indoor or outdoor use, in non-hazardous locations, in accordance with the Canadian Electric Code, Part 1 and the National Electrical Code (NFPA70). It applies to tools rated not more than 440V (not more than 250V for tools employing a universal motor).

Tools with an electric heating element incorporated are within the scope of this standard.

Special requirements for battery-powered tools are defined in UL 745-3 and C22.2 No. 745-3,

For tools intended to be used on board ships or aircraft, additional requirements may be necessary, and in hazardous locations, for example, where explosions are liable to occur, special constructions may be required.

For tools intended to be used in tropical countries, special requirements may be necessary.

This standard applies to accessories and mechanical attachments for use with portable electric tools. These requirements are outlined in Appendix F.

This standard applies to attachments that contain electrical and electronic components. In this case, the attachment shall be evaluated with the tool and a determination must be made as to which clauses apply.