ANSI CSA C22.2 NO.126.2-2-2002 Nonmetallic Cable Tray Systems (First Edition Update No 1 January 2005).pdf

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1、C22.2 No. 126.2-02(reaffirmed 2017)Nonmetallic Cable Tray SystemsBlank pageUpdate No. 1 C22.2 No. 126.2-02 January 2005 Note: General Instructions for CSA Standards are now called Updates. Please contact CSA Information Products Sales or visit www.ShopCSA.ca for information about the CSA Standards U

2、pdate Service. Title: Nonmetallic Cable Tray Systems originally published October 2002 The following revisions have been formally approved. Changes to the title page, copyright page, Preface, Foreword (UL), and Clause 4.1.2 are marked by a vertical line in the margin. Revised Outside front cover, in

3、side front cover, title page, copyright page, Preface, Foreword (UL), and Clause 4.1.2 New None Deleted None CSA C22.2 No. 126.2-02 originally consisted of 32 pages, each dated October 2002. It now consists of the following pages: October 2002 3, 6, 7, 912, and 14B2 January 2005 Cover, title page, c

4、opyright page, 4, 5, 8, and 13 Update your copy by inserting these revised pages. Keep the pages you remove for reference. Blank pageCAN/CSA-C22.2 No. 126.2-02A National Standard of Canada(approved January 2005)Nonmetallic Cable Tray Systems The Canadian Standards Association (CSA), under whose ausp

5、ices this National Standard has been produced, was chartered in 1919 and accredited by the Standards Council of Canada to the National Standards system in 1973. It is a not-for-profit, nonstatutory, voluntary membership association engaged in standards development and certification activities. CSA s

6、tandards reflect a national consensus of producers and users including manufacturers, consumers, retailers, unions and professional organizations, and governmental agencies. The standards are used widely by industry and commerce and often adopted by municipal, provincial, and federal governments in

7、their regulations, particularly in the fields of health, safety, building and construction, and the environment. Individuals, companies, and associations across Canada indicate their support for CSAs standards development by volunteering their time and skills to CSA Committee work and supporting the

8、 Associations objectives through sustaining memberships. The more than 7000 committee volunteers and the 2000 sustaining memberships together form CSAs total membership from which its Directors are chosen. Sustaining memberships represent a major source of income for CSAs standards development activ

9、ities. The Association offers certification and testing services in support of and as an extension to its standards development activities. To ensure the integrity of its certification process, the Association regularly and continually audits and inspects products that bear the CSA Mark. In addition

10、 to its head office and laboratory complex in Toronto, CSA has regional branch offices in major centres across Canada and inspection and testing agencies in eight countries. Since 1919, the Association has developed the necessary expertise to meet its corporate mission: CSA is an independent service

11、 organization whose mission is to provide an open and effective forum for activities facilitating the exchange of goods and services through the use of standards, certification and related services to meet national and international needs.For further information on CSA services, write toCanadian Sta

12、ndards Association5060 Spectrum Way, Suite 100Mississauga, Ontario, L4W 5N6CanadaThe Standards Council of Canada is the coordinating body of the National Standards system, a federation of independent, autonomous organizations working towards the further development and improvement of voluntary stand

13、ardization in the national interest. The principal objects of the Council are to foster and promote voluntary standardization as a means of advancing the national economy, benefiting the health, safety, and welfare of the public, assisting and protecting the consumer, facilitating domestic and inter

14、national trade, and furthering international cooperation in the field of standards. A National Standard of Canada is a standard which has been approved by the Standards Council of Canada and one which reflects a reasonable agreement among the views of a number of capable individuals whose collective

15、 interests provide to the greatest practicable extent a balance of representation of producers, users, consumers, and others with relevant interests, as may be appropriate to the subject in hand. It normally is a standard which is capable of making a significant and timely contribution to the nation

16、al interest. Approval of a standard as a National Standard of Canada indicates that a standard conforms to the criteria and procedures established by the Standards Council of Canada. Approval does not refer to the technical content of the standard; this remains the continuing responsibility of the a

17、ccredited standards development organization. Those who have a need to apply standards are encouraged to use National Standards of Canada whenever practicable. These standards are subject to periodic review; therefore, users are cautioned to obtain the latest edition from the organization preparing

18、the standard.The responsibility for approving National Standards of Canada rests with theStandards Council of Canada270 Albert Street, Suite 200Ottawa, Ontario, K1P 6N7CanadaCette Norme nationale du Canada est offerte en anglais et en franais.Although the intended primary application of this Standar

19、d is stated in its Scope, it is importantto note that it remains the responsibility of the users to judge its suitability for their particular purpose.Registered trade-mark of Canadian Standards AssociationCanadian Standards Association Underwriters Laboratories Inc. CAN/CSA-C22.2 No. 126.2-02 UL 56

20、8 First Edition First Edition Nonmetallic Cable Tray Systems October 15, 2002 (Title page reprinted: January 28, 2005) (approved January 2005) ANSI/UL 568-2004 Commitment for Amendments This Standard is issued jointly by Canadian Standards Association (CSA) and Underwriters Laboratories Inc. (UL). A

21、mendments to this Standard will be made only after processing according to the Standards writing procedures by CSA and UL. ISBN 1-55324-855-4 Copyright 2002 Canadian Standards Association All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior perm

22、ission of the publisher. ISBN 0-7629-0761-4 Copyright 2002, 2005 Underwriters Laboratories Inc. (Copyright page replaced January 2005)OCTOBER 15, 2002 CSA C22.2 NO. 126.2-02 UL 568 3 CONTENTS Preface . 4 Foreword (CSA). 6 Foreword (UL) 8 1 Scope . 9 2 Definitions and abbreviations. 9 2.1 Definitions

23、 . 9 2.2 Abbreviations 10 3 General 11 3.1 Reference publications . 11 3.2 Units of measurement. 12 4 Construction. 13 4.1 Materials 13 4.2 Typical dimensions . 13 4.3 Quality of work 15 4.4 Fittings. 16 4.5 Fasteners 16 4.6 Load capacity 16 5 Tests 17 5.1 Visual defects (pultruded reinforced thermo

24、setting resins) 17 5.2 Water absorption. 17 5.3 Dielectric strength . 17 5.4 Weathering 17 5.5 Chemical resistance 18 5.6 Combustibility of cable tray assemblies 18 5.7 Flame spread 18 5.8 Load testing 18 5.9 Rung load capacity (optional) . 22 6 Markings and product information 23 6.1 Marking on pro

25、duct . 23 6.2 Product information. 24 6.3 Cable tray installation 24 Tables . 25 Figures 27 Annex A (Informative) A.1 Deflection testA1 Annex B (Informative) B.1 French translations B1 4 CSA C22.2 NO. 126.2-02 UL 568 JANUARY 28, 2005 Preface This is the common UL and CSA Standard for Nonmetallic Cab

26、le Tray Systems. It is the first edition of CSA C22.2 No. 126.2 and the first edition of UL 568. This common standard was prepared by the CANENA Technical Harmonization Committee for Nonmetallic Cable Tray Systems, which comprises members from Underwriters Laboratories, the Canadian Standards Associ

27、ation, and the cable tray manufacturing industry. The efforts of the CANENA Technical Harmonization Committee are gratefully acknowledged. This standard was reviewed by the CSA Subcommittee on C22.2 No. 126, under the jurisdiction of the Technical Committee on Wiring Products and the Strategic Resou

28、rce Group, and has been formally approved by the Technical Committee. The requirements of CSA Standard C22.2 No. 126, published in 1991, are superseded by this standard for products covered in this standard as indicated in the scope of this standard. Where reference is made to a specific number of s

29、amples to be tested, the specified number is considered to be a minimum quantity. This standard has been approved by the American National Standards Institute (ANSI) as an American National Standard. The most recent designation of ANSI/UL 568 as an American National Standard occurred on July 30, 200

30、4. This ANSI/UL Standard for Safety, which consists of the first edition, is under continuous maintenance, whereby each revision is ANSI approved upon publication. Comments or proposals for revisions on any part of the standard may be submitted to UL at any time. Written comments are to be sent to t

31、he UL-SC Standards Department, 1655 Scott Blvd., Santa Clara, CA 95050. Note: 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 purpo

32、se. Level of Harmonization This standard uses an IEC format, but is not based on, nor is it to be considered equivalent to, an IEC standard. This standard is published as an equivalent standard for CSA and UL. An equivalent standard is a standard that is substantially the same in technical content,

33、except as follows. Technical deviations are allowed for codes and governmental regulations and those recognized as being in accordance with NAFTA Article 905, for example, because of fundamental, climatic, geographical, technological, or infrastructural factors, scientific justification, or the leve

34、l of protection that the country considers appropriate. Presentation is to be word for word except for editorial changes. Reasons for Differences to IEC The Technical Harmonization Committee identified one IEC Standard that addresses electrical cable tray systems included in the scope of this standa

35、rd. The THC determined that the safe use of electrical cable tray is dependent on the design, performance, and installation of the cable tray system. Significant investigation is required to assess safety and system issues that may lead to harmonization of traditional North American electrical cable

36、 tray standards with those presently addressed in the known IEC standard. The THC agreed such future investigation might be facilitated by completion of harmonization of the North American standards for electrical cable tray. JANUARY 28, 2005 CSA C22.2 NO. 126.2-02 UL 568 5 Interpretations The inter

37、pretation by the Standards Development Organization (SDO) of an identical or equivalent standard is to be based on the literal text to determine compliance with the standard in accordance with the procedural rules of the SDO. If more than one interpretation of the literal text has been identified, a

38、 revision is to be proposed as soon as possible to each of the SDOs to more accurately reflect the intent. UL Effective Date As of October 15, 2004, all products Listed or Recognized by UL must comply with the requirements in this standard. CSA Effective Date The effective date for CSA will be annou

39、nced through CSA Informs or a CSA Certification Notice. 6 CSA C22.2 NO. 126.2-02 UL 568 OCTOBER 15, 2002 Foreword (CSA) The Canadian Standards Association (CSA) develops standards under the name Canadian Standards Association, and provides certification and testing under the name CSA International.

40、CSA International provides certification services for manufacturers who, under license from CSA, wish to use the appropriate registered CSA Marks on certain products of their manufacture to indicate conformity with CSA Standards. CSA Certification for a number of products is provided in the interest

41、 of maintaining agreed-upon standards of quality, performance, interchangeability and/or safety, as appropriate. Where applicable, certification may form the basis for acceptance by inspection authorities responsible for enforcement of regulations. Where feasible, programs will be developed for addi

42、tional products for which certification is desired by producers, consumers, or other interests. In performing its functions in accordance with its objectives, CSA does not assume or undertake to discharge any responsibility of the manufacturer or any other party. The opinions and findings of the Ass

43、ociation represent its professional judgement given with due consideration to the necessary limitations of practical operation and state of the art at the time the Standard is processed. Products in substantial accord with this Standard but which exhibit a minor difference or a new feature may be de

44、emed to meet the Standard providing the feature or difference is found acceptable utilizing appropriate CSA International Operating Procedures. Products that comply with this Standard shall not be certified if they are found to have additional features which are inconsistent with the intent of this

45、Standard. Products shall not be certifiable if they are discovered to contravene applicable laws or regulations. Testing techniques, test procedures, and instrumentation frequently must be prescribed by CSA International in addition to the technical requirements contained in Standards of CSA. In add

46、ition to markings specified in the Standard, CSA International may require special cautions, markings, and instructions that are not specified by the Standard. Some tests required by CSA Standards may be inherently hazardous. The Association neither assumes nor accepts any responsibility for any inj

47、ury or damage that may occur during or as the result of tests, wherever performed, whether performed in whole or in part by the manufacturer or the Association, and whether or not any equipment, facility, or personnel for or in connection with the test is furnished by the manufacturer or the Associa

48、tion. Manufacturers should note that, in the event of the failure of CSA International to resolve an issue arising from the interpretation of requirements, there is an appeal procedure: the complainant should submit the matter, in writing, to the Secretary of the Canadian Standards Association. If t

49、his Standard is to be used in obtaining CSA Certification please remember, when making application for certification, to request all current Amendments, Bulletins, Notices, and Technical Information Letters that may be applicable and for which there may be a nominal charge. For such information or for further information concerning CSA Certification, please address your inquiry to Applications and Customer Service, CSA International, 178 Rexdale Boulevard, Toronto, Ontario, Canada M9W 1R3. OCTOBER 15, 2002 CSA C22.2 NO. 126.2-02 UL 568 7 No Text on This Page 8 CSA C

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