scope:

This Standard applies to liquid-tight flexible metal conduit and flexible metal conduit in sizes 3/8 inch to 4 inches intended for use as a metal raceway for the installation of conductors in accordance with CSA Standard C22.1, Canadian Electrical Code, Part I. In addition, this Standard applies to special purpose flexible metal conduit in 5/16 inch size intended for other applications requiring the conductors to be enclosed in a flexible metal raceway.

Liquid-tight flexible metal conduit covered by this Standard is provided with an overall thermoplastic covering which is recognized for use at a maximum working temperature of 60ºC or 75ºC depending on the grade of the thermoplastic covering.