Preface
This is the seventh edition of CSA C22.2 No. 115, Meter-mounting devices, one of a series of standards issued by CSA Group under Part II of the Canadian Electrical Code. It supersedes the previous editions published in 2014, 1989, 1983, 1971, 1967, and 1963.
Changes to this edition include:
a) the addition of combination and multi-position meter-mounting devices;
b) the addition of bonding and grounding requirements per the 2018 CE Code, Part I revision;
c) the addition of requirements for circuit breakers;
d) the addition of short circuit testing;
e) the removal of Table 2 Terminal connector spacings; and
f) updated reference publications.
This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.
Scope
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 meter-mounting devices with an overall current rating of 600 A or less (320 A maximum per position).
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
Non-combination meter-mounting devices, as applied to 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.
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.
Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.
Notes to tables and figures are considered part of the table or figure and may be written as requirements.
Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.
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