Draft Details

Designation:C22.2 NO. 297
Review start date:Aug 14, 2017
Review end date:Oct 13, 2017
Contact email:mary.morgan(at)csagroup.org
Draft Scope/Description:

1 Scope


This Standard applies to switchgear insulated with solid dielectric material including devices such as:


interrupting devices, including reclosers;

circuit breakers; and

control, metering, protective, and regulating equipment with associated interconnections and supporting structures.


This Standard applies to equipment with a nominal voltage greater than 750 V and up to 46 kV that is intended to be used

in accordance with the rules of the Canadian Electrical Code, Part I;

in non-hazardous locations;

for controlling and protecting the power from generators or other sources; and

for supplying electrical energy to power and lighting circuits.


This standard applies to equipment installations that are:

Outdoors and directly exposed to the elements (outdoor location)

Not exposed to the elements but in a non-controlled environment (sheltered location)

Not exposed to the elements and in a controlled environment (indoor location)


This Standard does not apply to air insulated switchgear or gas insulated switchgear that is covered by standard C22.2 No. 31.


Except for the requirements applicable to overhead fault interrupters as specified in clause 9, fault interrupters are not within the scope of this standard. Additional requirements for fault interrupters will be added as a future supplement to this standard once the requirements have been finalized and agreed to by the industry.


In CSA standards, “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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