Équipement de conversion de puissance

1.1
This Standard applies to ac and dc type power conversion equipment (PCE) that 

a) is of dry or liquid-filled construction
b) has a rated voltage not exceeding 1500 V
c) is for commercial, industrial, and residential indoor and outdoor use in nonhazardous locations in accordance with the Rules of the Canadian Electrical Code, Part I

1.2
Clauses 1 to 6 are general, and apply, unless otherwise noted, to all PCE. 

Clauses 7 to 19 are specific to particular applications or types of PCE, apply to PCE or portions of PCE that include the aspects within the scope of the specific Clause, and supplement or amend the applicable requirements in all other Clauses. 

1.3
This Standard does not apply to 

a) automotive and nonautomotive chargers as covered by 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 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 CAN/CSA-C22.2 No. 60950-1
d) rotating type generators or converters
e) uninterruptible ac power supplies (UPS) as covered by CSA C22.2 No. 107.3
f) non-photovoltaic motor drives as covered by CSA C22.2 No. 14

1.4
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 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.