CSA C22.2 No.25-2017 PDF

Scope: 1.1 This Standard applies to enclosures for electrical equipment, other than lighting fixtures, intended to be used in Class II, Division 1, Groups E, F, and G hazardous locations in accordance with CSA C22.1, Canadian Electrical Code, Part I. 1.2 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.

CSA C22.2 No.25-2017 history

1970 CSA C22.2 No.25-2017 Enclosures for use in Class II, Division 1, Groups E, F, and G hazardous locations
1966 CSA C22.2 NO.25-1966 Enclosures for Class II Hazardous Locations, Groups E, F and G (New Edition; Sheet No 1: October 1998)