CSA C22.2 NO. 40:17 (R2022)

Preface This is the fifth edition of CSA C22.2 No. 40, Junction and pull boxes. It supersedes the previous editions published in 1989, 1973, 1957, and 1936 under the title Cutout, junction, and pull boxes. It is one of a series of Standards issued by CSA Group under Part II of the Canadian Electrical Code. Changes to this edition include a general update of the reference standards and clauses affected by the reference standard updates. This Standard is considered suitable for use for conformity assessment within the stated scope of the Standard. This Standard was prepared by the Integrated Committee on Wiring Devices, under the jurisdiction of the Technical Committee on Wiring Products and the Strategic Steering Committee on Requirements for Electrical Safety, and has been formally approved by the Technical Committee. This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group Scope 1.1 This Standard applies to the following products intended for use in accordance with CSA C22.1, Canadian Electrical Code, Part I: a) metal and nonmetallic junction boxes (of other than the swimming pool type); and b) pull boxes where the length does not exceed three times the width and the volume exceeds 1640 mL. 1.2 This Standard does not apply to a) junction and pull boxes that are made in accordance with CSA C22.2 No. 18.1 and CSA C22.2 No. 18.2; b) enclosures for use in hazardous locations; c) enclosures that are made in accordance with CSA C22.2 No. 26; d) junction boxes that are made in accordance with CSA C22.2 No. 89; and e) weatherproof, waterproof, watertight, and dust-tight enclosures. 1.3 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.