Scope

1.1 This Standard applies to indoor and outdoor meter-mounting devices, either as complete self-contained devices or provided as a part of service equipment, for use in nonhazardous locations, and intended to be employed in accordance with the Rules of the Canadian Electrical Code, Part I ("CEC Part I").

1.2 This Standard covers devices for use with watt hour meters, demand meters, time switches, current transformers, test switches, instruments, and similar devices rated at 320 A or less per meter socket, 600 V or less, single or polyphase, and multiple-position meter socket assemblies with an overall current rating of 600 A or less (200 A maximum per meter socket).

1.3 This Standard applies to subfeed meter-mounting devices that have provision for the main load terminations and for one subfeed termination.

1.4 This Standard applies to the meter-mounting device portion when supplied as a part of service or other equipment where applicable.

1.5 Meter-mounting devices, as covered by this Standard, are not intended to be used as load-making or load-breaking devices.

1.6 This Standard applies to transformer-rated meter-mounting devices that consist of current transformers, meter sockets, and optional test switches, mounted in the same enclosure rated 600 A or less and 600 V (nominal) or less.