1. Scope 1.1
This Standard applies to ac and dc type power supplies including rack-mounted
and modular units, of dry or liquid-filled construction, with a rated voltage
not exceeding 600 V, for commercial, industrial, and residential indoor and
outdoor use in nonhazardous locations in accordance with the Rules of the
Canadian Electrical Code, Part 1.
Note: These power supplies may include battery-charging functions. 1.2
Clauses 1 to 6 are general in nature and apply, unless otherwise noted, to the
power supplies covered by Clauses 7 to 13, as follows:
(a) Clause 7-industrial dc power supplies;
(b) Clause 8-power converters for recreational vehicles;
(c) Clause 9-static transfer switches;
(d) Clause 10-inverters;
(e) Clause 11-uninterruptible ac power supplies;
(f) Clause 12-telecommunications equipment power supplies; and
(g) Clause 13-CATV power supplies. 1.3
This Standard does not apply to
(a) automotive and nonautomotive battery chargers as covered by CSA Standard
CAN/CSA-C22.2 No.107.2;
(b) power supplies intended to supply extra-low voltage for the operation of
household electronic equipment, telecommunication equipment, and motor-operated
equipment as covered by CSA Standard CAN/CSA-C22.2 No.223;
(c) "built-in" component type power supplies forming an integral part of end
use equipment such as telecommunication equipment, electronic data processing
equipment and office machines as covered by CSA Standard CAN/CSA-C22.2 No.234;
and
(d) rotating type rectifiers.