C22.2 No. 109-17

Commercial cooking appliances

REVISED MARCH 2021

Legal Notice for Standards

Canadian Standards Association (operating as “CSA Group”) develops standards through a consensus standards development process approved by the Standards Council of Canada. This process brings together volunteers representing varied viewpoints and interests to achieve consensus and develop a standard. Although CSA Group administers the process and establishes rules to promote fairness in achieving consensus, it does not independently test, evaluate, or verify the content of standards.

Disclaimer and exclusion of liability

This document is provided without any representations, warranties, or conditions of any kind, express or implied, including, without limitation, implied warranties or conditions concerning this document’s fitness for a particular purpose or use, its merchantability, or its non-infringement of any third party’s intellectual property rights. CSA Group does not warrant the accuracy, completeness, or currency of any of the information published in this document. CSA Group makes no representations or warranties regarding this document’s compliance with any applicable statute, rule, or regulation.

IN NO EVENT SHALL CSA GROUP, ITS VOLUNTEERS, MEMBERS, SUBSIDIARIES, OR AFFILIATED COMPANIES, OR THEIR EMPLOYEES, DIRECTORS, OR OFFICERS, BE LIABLE FOR ANY DIRECT, INDIRECT, OR INCIDENTAL DAMAGES, INJURY, LOSS, COSTS, OR EXPENSES, HOWSOEVER CAUSED, INCLUDING BUT NOT LIMITED TO SPECIAL OR CONSEQUENTIAL DAMAGES, LOST REVENUE, BUSINESS INTERRUPTION, LOST OR DAMAGED DATA, OR ANY OTHER COMMERCIAL OR ECONOMIC LOSS, WHETHER BASED IN CONTRACT, TORT (INCLUDING NEGLIGENCE), OR ANY OTHER THEORY OF LIABILITY, ARISING OUT OF OR RESULTING FROM ACCESS TO OR POSSESSION OR USE OF THIS DOCUMENT, EVEN IF CSA GROUP HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, INJURY, LOSS, COSTS, OR EXPENSES.

In publishing and making this document available, CSA Group is not undertaking to render professional or other services for or on behalf of any person or entity or to perform any duty owed by any person or entity to another person or entity. The information in this document is directed to those who have the appropriate degree of experience to use and apply its contents, and CSA Group accepts no responsibility whatsoever arising in any way from any and all use of or reliance on the information contained in this document.

CSA Group is a private not-for-profit company that publishes voluntary standards and related documents. CSA Group has no power, nor does it undertake, to enforce compliance with the contents of the standards or other documents it publishes.

Intellectual property rights and ownership

As between CSA Group and the users of this document (whether it be in printed or electronic form), CSA Group is the owner, or the authorized licensee, of all works contained herein that are protected by copyright, all trade-marks (except as otherwise noted to the contrary), and all inventions and trade secrets that may be contained in this document, whether or not such inventions and trade secrets are protected by patents and applications for patents. Without limitation, the unauthorized use, modification, copying, or disclosure of this document may violate laws that protect CSA Group’s and/or others’ intellectual property and may give rise to a right in CSA Group and/or others to seek legal redress for such use, modification, copying, or disclosure. To the extent permitted by licence or by law, CSA Group reserves all intellectual property rights in this document.

Patent rights

Attention is drawn to the possibility that some of the elements of this standard may be the subject of patent rights. CSA Group shall not be held responsible for identifying any or all such patent rights. Users of this standard are expressly advised that determination of the validity of any such patent rights is entirely their own responsibility.

Authorized use of this document

This document is being provided by CSA Group for informational and non-commercial use only. The user of this document is authorized to do only the following:

If this document is in electronic form:

• load this document onto a computer for the sole purpose of reviewing it;

• search and browse this document; and

• print this document if it is in PDF format.

  Limited copies of this document in print or paper form may be distributed only to persons who are authorized by CSA Group to have such copies, and only if this Legal Notice appears on each such copy.

  In addition, users may not and may not permit others to

• alter this document in any way or remove this Legal Notice from the attached standard;

• sell this document without authorization from CSA Group; or

• make an electronic copy of this document.

  If you do not agree with any of the terms and conditions contained in this Legal Notice, you may not load or use this document or make any copies of the contents hereof, and if you do make such copies, you are required to destroy them immediately. Use of this document constitutes your acceptance of the terms and conditions of this Legal Notice.

  
  

  
  

  C22.2 No. 109-17, Commercial cooking appliances

  
  

  Update No. 1 — March 2021	Revision symbol (in margin)
  Clauses 4.5.1.1, 4.5.1.8, 4.5.3.9, 4.12.2, and 5.10	①

  
  

  C22.2 No. 109-17

  May 2017

  
  

  Title: Commercial cooking appliances

  To register for e-mail notification about any updates to this publication

• go to www.csagroup.org/store/

• click on Product Updates

The List ID that you will need to register for updates to this publication is 2425160.

If you require assistance, please e-mail techsupport@csagroup.org or call 416-747-2233.

Visit CSA Group’s policy on privacy at www.csagroup.org/legal to find out how we protect your personal information.

C22.2 No. 109-17

Commercial cooking appliances

®A trademark of the Canadian Standards Association, operating as “CSA Group”

Published in May 2017 by CSA Group

A not-for-profit private sector organization

178 Rexdale Boulevard, Toronto, Ontario, Canada M9W 1R3

To purchase standards and related publications, visit our Online Store at www.csagroup.org/store/

or call toll-free 1-800-463-6727 or 416-747-4044.

ISBN 978-1-4883-0751-5

© 2017 Canadian Standards Association

All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission of the publisher.

Contents

Technical Committee on Consumer and Commercial Products 4 Subcommittee on Safety of Household Electrical Appliances 6 Preface 9

1. Scope 10

   
   

2. Reference publications 10

   
   

3. Definitions 12

   
   

4. Construction 12

   1. General requirements 12

   2. Enclosures 13

      1. General 13

      2. Construction 13

      3. Metallic enclosures 13

      4. Non-metallic enclosures, supports, and decorative parts 13

      5. Enclosure with integral heater element 14

      6. Openings in enclosures 14

   3. Protection against corrosion 16

   4. Mechanical assembly 16

   5. Supply connections 17

      1. Permanently connected appliances 17

      2. Terminal parts 18

      3. Cord-connected appliances 18

   6. Electrical insulation 19

   7. Thermal insulation 19

   8. Current-carrying parts 20

   9. Wiring 20

   10. Heating and heater elements 21

   11. Overcurrent protection 22

   12. Protection against overheating 23

   13. Receptacles 24

   14. Lampholders 24

   15. Switches and controls 25

   16. Motors 26

   17. Electromagnetic interference (EMI) filters 26

   18. Spacings 26

   19. Bonding 27

       
       

5. Markings 28

   
   

6. Tests 30

   1. General 30

   2. Rating 30

      
      

      May 2017 © 2017 Canadian Standards Association 1

   3. Temperature (general) 30

   4. Temperature (normal) 31

      1. General 31

      2. Toasters 32

      3. Waffle irons 32

      4. Sandwich toasters, grills and griddles 32

      5. Deep fat fryers 32

      6. Ranges 32

      7. Coffee-maker stoves 33

      8. Counter-type hot plates 33

      9. Popcorn machines 33

      10. Water heaters for commercial cooking appliances 33

      11. Food warmers 33

      12. Coffee urns 33

      13. Ovens 33

   5. Temperature (abnormal) 33

      1. General 33

      2. Toasters 34

      3. Waffle irons 34

      4. Sandwich toasters, grills and griddles 34

      5. Deep fat fryers 34

      6. Ranges 35

      7. Counter-type hot plates 35

      8. Popcorn machines 35

      9. Food warmers 35

      10. Coffee makers 35

      11. Ovens 35

      12. Radiant-heat food warmers 35

      13. Tilting frying pans 35

      14. Removable heater elements 35

      15. Appliances having more than one temperature limiting device 35

   6. Flexing 35

   7. Dielectric strength 36

   8. Stability 37

   9. Performance of fusible links 37

   10. Performance of manually operated switches 38

       1. General 38

       2. Overload (heater only) 38

       3. Overload (motors and heaters) 38

       4. Endurance 39

   11. Performance of automatic controls 39

       1. General 39

       2. Calibration 39

       3. Overload 39

       4. Endurance 39

   12. Temperature stability test for thermal fuses 40

   13. Strain relief 42

   14. Leakage current 42

   15. Investigation of fibreglass sleeving (over bare conductors used as wiring) 43

       
       

       May 2017 © 2017 Canadian Standards Association 2

       1. Flame test 43

       2. Heat-resistant properties 43

       3. Dielectric strength after heating 44

   16. Thermoset material aging 44

   17. Insulating liner investigation 45

       1. Humidity and cold bend dielectric strength 45

       2. Thermal aging 45

   18. Physical abuse 45

May 2017 © 2017 Canadian Standards Association 3

Preface

This is the third edition of CSA C22.2 No. 109, Commercial cooking appliances, issued by CSA Group under the Canadian Electrical Code, Part II. It supersedes the previous editions published in 1981 and 1957. This Standard also replaces the CSA Technical Information Letter (TIL) No. C-41, Interim Certification Requirements for Cord-Connected Commercial Electric Cooking Appliances.

The major differences between this edition and the previous edition include updates to the flame tests and the addition of optional DC for the dielectric strength test.

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

This Standard is considered suitable for use for conformity assessment within the stated scope of the Standard.

This Standard was prepared by the Subcommittee on Safety for Household Electrical Appliances, under the jurisdiction of the Technical Committee on Consumer and Commercial Products and the Strategic Steering Committee on Requirements for Electrical Safety.

Interpretations: The Strategic Steering Committee on Requirements for Electrical Safety has provided the following direction for the interpretation of standards under its jurisdiction: “The literal text shall be used in judging compliance of products with the safety requirements of this Standard. When the literal text cannot be applied to the product, such as for new materials or construction, and when a relevant CSA committee interpretation has not already been published, CSA Group’s procedures for interpretation shall be followed to determine the intended safety principle.”

Notes:

1. Use of the singular does not exclude the plural (and vice versa) when the sense allows.

2. Although the intended primary application of this Standard is stated in its Scope, it is important to note that it remains the responsibility of the users of the Standard to judge its suitability for their particular purpose.

3. This Standard was developed by consensus, which is defined by CSA Policy governing standardization — Code of good practice for standardization as “substantial agreement. Consensus implies much more than a simple majority, but not necessarily unanimity”. It is consistent with this definition that a member may be included in the Technical Committee list and yet not be in full agreement with all clauses of this Standard.

4. To submit a request for interpretation of this Standard, please send the following information to inquiries@csagroup.org and include “Request for interpretation” in the subject line:

   1. define the problem, making reference to the specific clause, and, where appropriate, include an illustrative sketch;

   2. provide an explanation of circumstances surrounding the actual field condition; and

   3. where possible, phrase the request in such a way that a specific “yes” or “no” answer will address the issue.

      Committee interpretations are processed in accordance with the CSA Directives and guidelines governing standardization and are available on the Current Standards Activities page at standardsactivities.csa.ca.

5. This Standard is subject to review within five years from the date of publication. Suggestions for its improvement will be referred to the appropriate committee. To submit a proposal for change, please send the following information to inquiries@csagroup.org and include “Proposal for change” in the subject line:

   1. Standard designation (number);

   2. relevant clause, table, and/or figure number;

   3. wording of the proposed change; and

   4. rationale for the change.

May 2017 © 2017 Canadian Standards Association 9

C22.2 No. 109-17

Commercial cooking appliances

1. Scope

   
   

   1.1

   This Standard applies to cord-connected and permanently connected electrically heated commercial cooking appliances for use on nominal system voltages of 600 V and less, that are intended to be used in accordance with CSA C22.1, Canadian Electrical Code, Part I.

   
   

   1.2

   This Standard applies to electric ranges, ovens, broilers, fry kettles, griddles, sandwich toasters, toasters, food warmers, coffee stoves, urns, hotplates, popcorn machines, liquid heaters, pressure cookers*, utensil warmers, and similar appliances.

   * Pressure vessels that may operate at pressures of 103 kPa and greater are subject to inspection by pressure vessel inspection authorities.

   
   

   1.3

   This Standard applies to food cooking and warming appliances for use in non-hazardous locations in commercial establishments.

   
   

   1.4

   This Standard does not apply to electrical equipment on coal- or gas-heated cooking equipment or to appliances employing high-frequency currents.

   
   

   1.5

   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.

   
   

2. Reference publications

This Standard refers to the following publications, and where such reference is made, it shall be to the edition listed below, including all amendments published thereto.

May 2017 © 2017 Canadian Standards Association 10