This Standard applies to deadfront indoor enclosed and outdoor
enclosed assemblies of switchgear devices such as
b) interrupting devices;
c) air circuit breakers;
d) power circuit breakers; and
e) control, metering, protective, and regulating equipment with
associated interconnections and supporting structures.
This Standard covers equipment with a nominal voltage of 46 kV
or less that is intended to be used
a) in accordance with the Canadian Electrical Code, Part I;
b) in non-hazardous locations;
c) for controlling and protecting the power from generators or
other sources; and
d) for supplying electrical energy to power and lighting
General requirements applicable to this Standard are provided in
CAN/CSA-C22.2 No. 0.
This Standard does not apply to panelboards, industrial control
equipment, switchboards for communication circuits (see the
Canadian Electrical Code, Part I), or low-voltage assemblies
consisting of separately supported enclosed switches, enclosed
circuit breakers, and possibly service meters, with interconnection
between them enclosed in raceways.
Note: Manufacturers and installers of switchgear assemblies
approved under this Standard should take due note of the Canadian
Electrical Code, Part I, with respect to the location of switchgear
devices in areas where certain components might not be
Clauses 2 to 6 apply to all switchgear assemblies and are
supplemented and amended by
a) Clause 7 for low-voltage switchgear assemblies; and
b) Clause 8 for high-voltage switchgear assemblies.
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
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
(nonmandatory) to define their application.