Pertains to hydromassage bathtub appliances and associated accessories for residential and commercial use that are intended to be permanently connected to a plumbing system and building structure, for use indoors in non-hazardous locations, permanently installed in accordance with the Rules of the Canadian Electrical Code, Part I, and either: a) permanently connected to a single- or three-phase branch circuit rated 150 V or less to ground; or b) connected by means of a factory installed power supply cord having a 15 A 125 V attachment plug that complies with Clause 9 of this Standard.