1.1 This Standard applies to ac and dc type power supplies, including rack-mounted and modular units, that
(a) are of dry or liquid-filled construction;
(b) have a rated voltage not exceeding 600 V; and
(c) are for commercial, industrial, and residential indoor and outdoor use in nonhazardous locations in accordance with the Rules of the Canadian Electrical Code, Part I.
Note: These power supplies may include battery-charging functions.

1.2 Clauses 2 to 6 are general and apply, unless otherwise noted, to the power supplies covered by Clauses 7 to 17, 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 (UPS);
(f) Clause 12 - telecommunication equipment power supplies;
(g) Clause 13 - CATV power supplies;
(h) Clause 14 - power conversion equipment for use in photovoltaic (PV) systems;
(i) Clause 15 - utility-interconnected inverters;
(j) Clause 16 - dc charge controllers; and
(k) Clause 17 - electric vehicle chargers.

1.3 This Standard does not apply to
(a) automotive and nonautomotive chargers as covered by CSA Standard 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. 60950; and
(d) rotating type rectifiers.