C22.2 NO. 31-04 (R2009)

Scope

1.1
This Standard applies to indoor open and enclosed and outdoor enclosed assemblies of switchgear devices such as

(a) switches;
(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.

1.2
This Standard covers equipment with nominal voltage of 46 kV and less that is intended to be used

(a) in accordance with the rules of 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 circuits.

1.3
General requirements applicable to this Standard are given in the latest edition of CAN/CSA-C22.2 No. 0.

1.4
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 may not be acceptable in such locations.

1.5
Clauses 2 to 6 apply to all switchgear assemblies and are supplemented and amended

(a) by Clause 7 for low-voltage switchgear assemblies; and
(b) by Clause 8 for high-voltage switchgear assemblies.