C22.2 NO. 14-18 (R2022)

Preface

This is the thirteenth edition of CSA C22.2 No. 14, Industrial control equipment, one of a series of Standards issued by the Canadian Standards Association under Part II of the Canadian Electrical Code. It supersedes the previous editions, published in 2013, 2010, 2005, 1995, 1991, 1987, 1985, 1973, 1966, 1953, 1942, and 1935.

This edition incorporates numerous revisions. The major revisions include adding a section for the construction requirements of accessible circuits, a section for the construction requirements of wireless controls and a section for leakage current testing. In addition, numerous tables were updated, a number of new definitions introduced, a new figure added and a host of other minor updates made to various clauses throughout. The requirements of CSA LTR M-003 have also been incorporated in this edition.

For general information on the Standards of the Canadian Electrical Code, Part II, see the Preface of CAN/CSA-C22.2 No. 0.

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 Industrial Control, under the jurisdiction of the Technical Committee on Industrial Products and the Strategic Steering Committee on Requirements for Electrical Safety, and has been formally approved by the Technical Committee.

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 used to control an industrial process that is intended to be installed and used in non-hazardous 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; push-button stations (including 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 can be included as part of control equipment are not covered by this Standard.

1.2 — Deleted

1.3 — Deleted

1.4

This Standard does not apply to equipment covered by other CSA Standards, such as power supplies, programmable logic controllers, assemblies of equipment intended solely for the distribution of power, assemblies for controlling power factor, switches other than manual motor controllers, motor control centres, industrial control panels, and electrical components intended to protect circuits other than motor branch-circuits.

1.4A

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

1.5

The industrial control equipment covered by this Standard is intended for use in an ambient temperature of 0 to 40 °C, unless otherwise marked.

1.6

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.

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