C22.2 NO. 55-M1986 (R2012)

1. Scope 1.1 This Standard applies to manually operated and mechanically operated special use switches that are: (a) for use on dc, ac/dc or ac only; and (b) rated for not more than (i) 60A at 250V or less; or (ii) 30A or 2hp at 600V or less. 1.2 This Standard does not apply to (a) switches forming parts either of electrothermal appliances or automatic temperature-responsive switches; (b) switching mechanisms built into lampholders covered in CSA Standard C22.2 No.43; (c) general use switches, pendant and through-cord type switches with one "on" and one "off" position, door switches and fixture switches, covered in CSA Standard C22.2 No.111; (d) solid-state single-phase motor speed controls covered in CSA Standard C22.2 No.156; (e) dimmers covered in CSA Standard C22.2 No.184; (f) clock-operated switches covered in CSA Standard C22.2 No. 177; (g) switches for use in hazardous locations.