CSA C22 2 NO 26-2013 Construction and test of wireways auxiliary gutters and associated fittings (Third Edition).pdf

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1、C22.2 No. 26-13Construction and test of wireways, auxiliary gutters, and associated fittingsLegal 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 proce

2、ss 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 stan

3、dards.Disclaimer and exclusion of liabilityThis 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 merchant

4、ability, or its non-infringement of any third 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 ap

5、plicable 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

6、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

7、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

8、 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 reli

9、ance 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.Intellect

10、ual property rights and ownershipAs 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 con

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13、cument.Patent rightsAttention 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 vali

14、dity of any such patent rights is entirely 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

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16、 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 d

17、o 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 term

18、s and conditions of this Legal Notice.Standards Update ServiceC22.2 No. 26-13December 2013Title: Construction and test of wireways, auxiliary gutters, and associated fittingsTo register for e-mail notification about any updates to this publication go to shop.csa.ca click on CSA Update ServiceThe Lis

19、t ID that you will need to register for updates to this publication is 2422683.If you require assistance, please e-mail techsupportcsagroup.org or call 416-747-2233.Visit CSA Groups policy on privacy at csagroup.org/legalto find out how we protect your personal information.ISBN 978-1-77139-304-1 201

20、3 CSA GroupAll rights reserved. No part of this publication may be reproduced to any form whatsoever without the prior permission of the publisher.Published in December 2013 by CSA Group A not-for-profit private sector organization 5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N6 T

21、o purchase standards and related publications, visit our Online Store at shop.csa.caor call toll-free 1-800-463-6727 or 416-747-4044.TMA trade-mar k of the Canadian S tandards Association, operating as “CSA Group”Construction and test of wireways, auxiliary gutters, and associated fittingsC22.2 No.

22、26-13C22.2 No. 26-13Construction and test of wireways, auxiliary gutters, and associated fittingsDecember 2013 2013 CSA Group 1ContentsTechnical Committee on Wiring Products 2Subcommittee on Specialized Wiring Systems 4Preface 51 Scope 62 Reference publications 63 Definitions 74 General requirements

23、 75 Construction 75.1 General 75.2 Enclosures 75.3 Thickness of metal 85.4 Reinforcing strips, flanges, and methods of fastening 95.5 Coupling of sections 95.6 Knockouts 95.7 Covers 105.8 Hinges and latches 115.9 Supports 125.10 Protection against rusting 125.11 Special purpose enclosures 125.12 Con

24、tinuity Electrical 126 Marking Required details 137 Tests Mechanical strength 13C22.2 No. 26-13Construction and test of wireways, auxiliary gutters, and associated fittingsDecember 2013 2013 CSA Group 2Technical Committee on Wiring ProductsK.L. Rodel Hubbell Canada LP, Pickering, OntarioRepresenting

25、 Producer InterestChairP. Desilets Leviton Manufacturing of Canada Limited, Pointe-Claire, QubecRepresenting Producer InterestVice-ChairW.J. Bryans Electro-Federation Canada, Toronto, OntarioAssociateW.J. Burr Burr and Associates, Campbell River, British ColumbiaAssociateC. Davis Electro Cables Inco

26、rporated, Trenton, OntarioRepresenting Producer InterestS.W. Douglas International Association of Electrical Inspectors, Toronto, OntarioRepresenting General InterestD. Drysdale Nexans Canada Inc, Milton, OntarioRepresenting Producer InterestS.P. Hawkins Shawflex A Division of ShawCor Ltd., Toronto,

27、 OntarioAssociateR.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 interpretations are proc

28、essed 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 and suggestions for its improvement will be refe

29、rred 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 proposed change;

30、 andd) rationale for the change.C22.2 No. 26-13Construction and test of wireways, auxiliary gutters, and associated fittingsDecember 2013 2013 CSA Group 6C22.2 No. 26-13Construction and test of wireways, auxiliary gutters, and associated fittings1 Scope1.1 This Standard applies to the following meta

31、l enclosures, for potentials up to and including 600 volts between conductors and ground, designed to be employed in accordance with the rules of the Canadian Electrical Code, Part I:a) wireways for insulated wires and cables;b) auxiliary gutters (for insulated wires and cables) for use at switchboa

32、rds, meter centres, etc.; andc) associated fittings for completing wireway systems.1.2 These enclosures are intended for use in installations, in commercial, industrial, and some of the larger domestic applications, in non-hazardous locations, and where they are not likely to be subjected to severe

33、mechanical damage.1.3 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

34、 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

35、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 publicationsThis Standard refers to the following publications, and where such reference is made, it shall be to the edit

36、ion listed below.CSA GroupC22.2 No. 1-12Canadian Electrical Code, Part ICAN/CSA-C22.2 No. 0-10General Requirements Canadian Electrical Code, Part IIC22.2 No. 26-13Construction and test of wireways, auxiliary gutters, and associated fittingsDecember 2013 2013 CSA Group 7C22.2 No. 40-M1989 (R2009)Cuto

37、ut, junction, and pull boxesC22.2 No. 18.1-13Metallic outlet boxesCAN/CSA-C22.2 No. 94-M91 (R2011)Special purpose enclosuresCAN/CSA-C22.2 No. 94.207 (R2012)Enclosures for electrical equipment, environmental considerations3 DefinitionsThe following definitions shall apply in this Standard:Associated

38、fittings the parts that are used in the assembly of a complete wireway system, such as an elbow, tee, cross, etc.Auxiliary gutter a sheet metal enclosure used to supplement the wiring space of electrical equipment and to enclose interconnecting wires.Wireway metal troughing so formed and constructed

39、 that insulated conductors can be readily drawn in and withdrawn, or laid in and removed after the system has been completely installed, without injury either to the conductor or covering.4 General requirementsGeneral requirements applicable to this Standard are specified in CAN/CSA-C22.2 No. 0.5 Co

40、nstruction5.1 General5.1.1 Wireway systems shall include all ducts and fittings necessary to make a complete installation.5.1.2 Unless otherwise specified, auxiliary gutters and fittings shall comply with the requirements for wireways.5.2 Enclosures5.2.1 Auxiliary gutters shaped in the proportions o

41、f a box that has the length not greater than three times the width shall be constructed in accordance with the applicable requirements of CSA C22.2 No. 40, including the thickness requirements of metal for enclosures.C22.2 No. 26-13Construction and test of wireways, auxiliary gutters, and associated

42、 fittingsDecember 2013 2013 CSA Group 85.2.2 Designs of the wireways shall be such that the interconnection of sections and fittings will provide a rigid mechanical assembly and electrical continuity and there shall be no sharp edges, burrs, or other method of construction that can damage the insula

43、tion on wires. Screws, bolts, etc., used in the assembly shall be so designed and located that sharp ends and threaded sections will not project into the wireways.5.2.3 Wireways shall be of metal and shall be so constructed as to ensure ample strength and rigidity to keep their shape and so covers w

44、ill fit properly. Open holes or slots shall not be provided unless they will be closed in the final assembly and installation of the wireway.5.2.4 In auxiliary gutters, the use of a substantial piece of insulating material to replace a portion of one wall of the duct where the wiring goes through th

45、at portion shall be suitable for the purpose. Such a construction shall be considered to be acceptable, provided that the insulating material and the assembly thereof provide strength and rigidity approximately equivalent to that of the duct without the substitution.5.2.5 If the material is iron or

46、steel, both inside and outside surfaces of each length of wireway shall be thoroughly cleaned of all scale and rust. The cleaning process shall leave the surface of the wireway in a condition such that the protective coating (see Clause 5.10) will adhere firmly and have a smooth surface.5.3 Thicknes

47、s of metal5.3.1 The thickness of sheet metal enclosures shall be not less than those shown in Table 1, except for auxiliary gutters shaped in the proportions of a box, which shall comply with Clause 5.2.1.Table 1Minimum thickness of metal(See Clauses 5.3.1 and 5.3.2.)Maximum inside widthof widest su

48、rface, mm (in) Steel, mm (in)Aluminum, mm (in)More thanLess than or equal toUncoated Galvanized0152 (6)305 (12)457 (18)762 (30)152 (6)305 (12)457 (18)762 (30)1.34 (0.053)1.51 (0.060)1.69 (0.067)2.30 (0.093)3.11 (0.123)1.43 (0.056)1.62 (0.063)1.79 (0.070)2.47 (0.097)3.23 (0.126)1.91 (0.075)2.41 (0.09

49、5)2.41 (0.095)3.10 (0.122)3.89 (0.153)Note: Sheet steel that is hot-dipped mill-galvanized using A60, G60, or G90 coatings and is formed, extruded, or rolled shall not be less than 90% of the minimum thickness specified above.5.3.2 Metal other than sheet steel or sheet aluminum shall be of sufficient thickness to provide mechanical strength and rigidity equivalent to that of the steel specified in Table 1.C22.2 No. 26-13Construction and test of wireways, auxiliary gutters, and associated fittingsDecember 2013 2013 CSA Group 95.4 Reinforcing strips,

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