scope:

This Code covers all electrical work and electrical equipment operating or intended to operate at ali voltages in electrical installations for buildings, structures, and premises, including factory-built relocatable and non-relocatable structures, and self-propelled marine vessels statioxuy for periods exceeding five months and connected to a shore supply of electricity continuously or from time to time, with the following exceptions:

(a) Installations or equipment employed by an electric, a communication, or a community antenna distribution system utility in the exercise of its function as a utility, and located outdoors or in buildings or sections of buildings used for that purpose; and

(b) Equipment and facilities that are used in the operation of an electric railway and are supplied exclusively from circuits that supply the motive power; and

(c) Installations or equipment used for railway signailing and railway communication purposes, and located outdoors or in buildings or sections of buildings used exclusively for such installations; and

(d) Aircraft; and

(e) Electrical systems in ships which are regulated under the Canadian Coast Guard, Ship Safety Branch, Ship Safety Electrical Standards.

For mines and quarry applications, see also CSA Standard CAN/CSA-M421