CSA C22.2 No. 33:23

1 Scope 1.1 This Standard applies to all types of electric cranes, including electric overhead travelling cranes, and hoists for vertical lifting and lowering of freely suspended load for voltages of 750 V and less between conductors. The equipment specified in this Standard is intended for installation in accordance with the Canadian Electrical Code, Part I. 1.2 This Standard applies to the following cranes and hoists electrification systems: a)bare, non-rigid and rigid contact conductors, collector shoes and wheels, and associated fittings; and b)insulated conductor bar assemblies, collector trolley assemblies, and associated fittings (such as splices, power feeds, hangers, end caps, and similar). 1.3 This Standard applies to equipment for general industrial and commercial application, in nonhazardous locations for indoor and outdoor locations. 1.4 This Standard applies to equipment for installation in an ambient temperature not exceeding 40 °C. 1.5 This Standard applies to wireless control equipment used in conjunction with electric cranes and hoists. 1.6 Annex Bcovers optional requirements for DC drives. Annex Ccovers optional requirements for contact conductors. 1.7 This Standard does not apply to a) elevators; b) dumbwaiters; c) stairway hoists; d) tower cranes; e) manually operated chain driven cranes; f) mobile cranes; g) draglines; h) mine hoists; i) guided loads; j) below-the-hook attachments; and k) construction cranes and hoists. 1.8 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.