CSA C22.2 NO. 14-95 (R2001)

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Note: In order to maintain a consistent clause number/subject matter relationship throughout this Standard, some numbers have been purposely omitted.

1. Scope

1.1

This Standard applies to control and protective devices, and accessory devices rated at not more than 1500 V, for starting, stopping, regulating, controlling, or protecting electric motors, generators, heating apparatus, or other equipment that is intended to be installed and used in nonhazardous locations in accordance with the Rules of the Canadian Electrical Code, Part I. Notes: (1) Examples of the industrial control devices covered by this Standard are manual and magnetic starters and controllers; thermal and magnetic overload relays; pushbutton stations (in cluding selector switches and pilot lights); control circuit switches and relays; float-, flow-, pressure-, and vacuum- operated switches; resistors and rheostats; proximity switches; time-delay relays and switches; resistors and rheostats intended for heating and lighting, including those for motor generator fields; and control devices intended for heating and lighting. (2) The term “”control”” as used throughout this Standard applies to both starters and controllers. (3) Electrical instruments, such as meters, that may be included as part of control equipment are not covered by this Standard. 1.2

This Standard also applies to assemblies of industrial control and protective devices, and includes motor control centres and assemblies of automatic control and process equipment.

1.3

Certain equipment intended for use with electric elevators, air conditioning and refrigeration equipment, cranes and hoists, electronic and solid-state control equipment, etc, may be subject to additional requirements not included in this Standard.