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CSA C22 2 NO 57-2015 Appliance plugs for heater cord sets (Third Edition).pdf

1、C22.2 No. 57-15Appliance plugs for heater cord setsLegal Notice for StandardsCanadian 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 representin

2、g 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 liabili

3、tyThis document is provided without any representations, warranties, or conditions of any kind, express or implied, including, without limitation, implied warranties or conditions concerning this documents fitness for a particular purpose or use, its merchantability, or its non-infringement of any t

4、hird partys 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 documents compliance with any applicable statute, rule, or regulation.IN

5、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 D

6、AMAGES, 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 H

7、AS 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

8、 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

9、 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 ownershipAs betwe

10、en 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 secr

11、ets 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 Groups and/or others i

12、ntellectual 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 rightsAttention is drawn to

13、 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 entirel

14、y their own responsibility.Authorized use of this documentThis 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 so

15、le 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 suc

16、h 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 con

17、ditions 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.Sta

18、ndards Update ServiceC22.2 No. 57-15April 2015Title: Appliance plugs for heater cord setsTo register for e-mail notification about any updates to this publication go to shop.csa.ca click on CSA Update ServiceThe List ID that you will need to register for updates to this publication is 2423571.If you

19、 require assistance, please e-mail techsupportcsagroup.org or call 416-747-2233.Visit CSA Groups policy on privacy at csagroup.org/legal to find out how we protect your personal information.ISBN 978-1-77139-876-3 2015 CSA Group All rights reserved. No part of this publication may be reproduced in an

20、y form whatsoever without the prior permission of the publisher.Published in April 2015 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 shop.csa.caor call toll-

21、free 1-800-463-6727 or 416-747-4044.TMA trade-mar k of the Canadian S tandards Association, operating as “CSA Group”Appliance plugs for heater cord setsC22.2 No. 57-15C22.2 No. 57-15Appliance plugs for heater cord setsApril 2015 2015 CSA Group 1ContentsTechnical Committee on Wiring Products 2Integra

22、ted Committee on Wiring Devices (ICWD) 4Preface 71 Scope 82 Reference publications 83 Definitions 94 General 94.1 General requirements 94.2 Construction 94.2.1 Body 94.2.2 Anti-kink device 94.2.3 Strain relief 94.2.4 Replacement appliance plug 104.2.5 Female contacts 104.2.6 Switching mechanism 114.

23、2.7 Protection against corrosion 115 Marking 116 Tests 116.1 Millivolt drop 116.2 Overload 126.3 Endurance 126.4 Temperature 136.5 Millivolt drop repeated 136.6 Crushing 136.7 Mechanical strength (impact) 146.8 Anti-kink flexibility 146.9 Accelerated agingAnti-kink device 156.10 Flexing 156.11 Strai

24、n relief 16Annex A (informative) Guidance for the minimum quantities of specimens to be tested for compliance with a requirement 26C22.2 No. 57-15Appliance plugs for heater cord setsApril 2015 2015 CSA Group 2Technical Committee on Wiring ProductsK.L. Rodel Hubbell Canada LP, Pickering, Ontario Cate

25、gory: Producer InterestChairP. Desilets Leviton Manufacturing of Canada Limited, Pointe-Claire, Qubec Category: Producer InterestVice-ChairW.J. Bryans Electro-Federation Canada, Toronto, Ontario AssociateW.J. Burr Burr and Associates, Campbell River, British Columbia Category: General InterestC. Dav

26、is Electro Cables Incorporated, Trenton, Ontario Category: Producer InterestS.W. Douglas International Association of Electrical Inspectors, Toronto, Ontario Category: General InterestD. Drysdale Nexans Canada Inc, Milton, Ontario Category: Producer InterestS.P. Hawkins Shawflex A Division of ShawCo

27、r Ltd., Toronto, Ontario AssociateR.J. Kelly Government of Nunavut-Dept of Community b) provide an explanation of circumstances surrounding the actual field condition; andc) where possible, phrase the request in such a way that a specific “yes” or “no” answer will address the issue.Committee interpr

28、etations 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 five years from the date of publication. Suggestions for its improvemen

29、t will be referred to the appropriate committee. To submit a proposal for change, please send the following information to inquiriescsagroup.org and include “Proposal for change” in the subject line: a) Standard designation (number);b) relevant clause, table, and/or figure number;c) wording of the p

30、roposed change; andd) rationale for the change.C22.2 No. 57-15Appliance plugs for heater cord setsApril 2015 2015 CSA Group 8C22.2 No. 57-15Appliance plugs for heater cord sets1 Scope1.1 This Standard applies to appliance plugs used as components of heater cord sets for use on cord- connected heatin

31、g appliances rated for use on nominal single-phase system voltages of 240 V and less, designed to be used in dry nonhazardous locations in household and similar applications in accordance with the Canadian Electrical Code, Part I.1.2 In this Standard, “shall” is used to express a requirement, i.e.,

32、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 claus

33、es 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 no

34、rmative (mandatory) or informative (nonmandatory) to define their application.2 Reference publicationsThis Standard refers to the following publications, and where such reference is made, it shall be to the editions listed below.CSA GroupC22.1-15 Canadian Electrical Code, Part ICAN/CSA-C22.2 No. 0-1

35、0 General RequirementsCanadian Electrical Code, Part IICAN/CSA-C22.2 No. 0.17-00 (R2013) Evaluation of properties of polymeric materialsC22.2 No. 21-14 Cord sets and power supply cordsC22.2 No. 55-M1986 (R2012) Special use switchesC22.2 No. 57-15Appliance plugs for heater cord setsApril 2015 2015 CS

36、A Group 93 DefinitionsThe following definitions shall apply in this Standard:Appliance plug a contact device intended for use as a component of a heater cord set.Flat-iron plug an appliance plug for use on electric irons and other similar heating appliances.Wire binding screw terminal a terminal tha

37、t uses a wire binding screw for holding a conductor, and in which the conductor is looped under the head of the screw, or for retaining a wire connector such as a ring or spade type.4 General4.1 General requirementsGeneral requirements applicable in this Standard are given in CAN/CSA-C22.2 No. 0.4.2

38、 Construction4.2.1 Body4.2.1.1 The body of an appliance plug shall be of phenolic composition, except that other materials shall be permitted to be used for the body, provided that the material has a flammability classification of V-2 or better in accordance with CAN/CSA-C22.2 No. 0.17.4.2.1.2 The b

39、ody shall meet the dimensional requirements of Figure 1, 2, 3, 4, 5, or 6, as applicable.4.2.2 Anti-kink device4.2.2.1 At the opening for the heater cord of an anti-kink device, if provided, there shall be a helical wire spring to prevent undue binding and kinking of the cord where it enters the app

40、liance plug.4.2.2.2 There shall be no sharp edges or burrs on the device that would be likely to cause abrasion of the heater cord.4.2.2.3 Means shall be provided for securely retaining the anti-kink device in its proper place in the assembled appliance plug. If grommets or bushings form part of suc

41、h devices, they shall be securely held in the position intended.4.2.3 Strain reliefThe construction of an appliance plug shall be such that a force exerted on the heater cord will not be transmitted to wire binding screw terminals or wiring connections (see Clause 6.11). All parts of the appliance p

42、lug that the cord may contact shall be smooth and well rounded.C22.2 No. 57-15Appliance plugs for heater cord setsApril 2015 2015 CSA Group 104.2.4 Replacement appliance plug4.2.4.1 A replacement appliance plug intended for direct sale to the public shall have wiring terminals that are suitable for

43、securing either No. 18 AWG or No. 16 AWG stranded conductors. The wiring terminals shall have upturned lugs or some suitable equivalent means for retaining conductors under the heads of binding head screws. Instructions shall be provided for these plugs as specified in Clause 5.3.4.2.4.2 Binding hea

44、d screws shall be not smaller than No. 5 and shall thread into metal. The metal shall either be of thickness equal to at least twice the pitch of the thread on the screws or be extruded to furnish engagement with at least 2 clean-cut full threads on the screws. The metal shall be not less than 0.63

45、mm thick.4.2.5 Female contacts4.2.5.1 Female contacts shall be held securely, but not necessarily rigidly, within the plug body. Except for appliance plugs in Figures 3, 4, 5, and 6, the configuration and dimensions of the contacts shall be such that the pins detailed in Table 1 will be accommodated

46、.4.2.5.2 Contacts need not be rigidly attached to the appliance plug body; a small amount of floating is acceptable so that the contacts may be self-aligning with respect to their fit with male pins.4.2.5.3 In an appliance plug body, holes for female contacts shall be no larger than necessary to acc

47、ommodate the male pins.4.2.5.4 Female contacts and associated live parts in the contact opening of a plug that can be touched by the probe illustrated in Figure 7 shall be recessed from the plane of the opening a distance not less than 1/4 of the maximum straight-line dimension (see Clause 4.2.5.7)

48、of the opening or 1.2 mm, whichever is larger.4.2.5.5 The plane of the opening used to determine the minimum recess specified in Clause 4.2.5.4 shall be that plane nearest the face of the device having the minimum opening for the pin clearance. Bevels, tapers, or other expansions of the contact open

49、ing shall not be included in the measurement.4.2.5.6 The probe illustrated in Figure 7 shall be inserted point first as far as possible in the opening without distorting the perimeter of the opening.4.2.5.7 The maximum straight-line dimension mentioned in Clause 4.2.5.4 is the maximum-length straight line that will fit within the opening at the plane of measurement.C22.2 No. 57-15Appliance plugs for heater cord setsApril 2015 2015 CSA Group 114.2.6 Switching mechanism4.2.6.1 If an appliance plug incorporates a switching mechanism, such a mechanism shal

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