Draft Details

1.1
This Standard applies to indoor or outdoor meter-mounting devices, and combination meter-mounting devices.
These devices can be single position or multiple positions, either as complete self-contained devices or provided as part of service equipment for use in nonhazardous locations and are intended to be used in accordance with CSA
C22.1, Canadian Electrical Code, Part I (CE Code, Part I).

1.2
This Standard applies to 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-mounting device, 600 V or less (300 V or less for combination meter-mounting device), single or polyphase, and multiple-position metermounting
devices with an overall current rating of 600 A or less (320 A maximum per position).

1.3
This Standard applies to sub feed meter-mounting devices that have provision for the main load terminations and for one sub feed 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
Non-combination meter-mounting devices, as applied to by this Standard, are not intended to be used as loadmaking or load-breaking devices.

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

1.7
This standard does not apply to products under the scope of CSA C22.2 No. 229.

1.8
In this Standard, shall is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; should is used to express a recommendation or that which is advised but not required;
and may is used to express an option or that which is permissible within the limits of the standard.