1、Update No. 1 January 2005 C22.2 NO. 126.2-02 Deleted 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 Update Service. None Title: Nonmetallic Cable Tray Systems - origina
2、lly published October 2002 October 2002 January 2005 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. 3, 6, 7, 9-1 2, and 14-B2 Cover, title page, copyright page, 4, 5
3、, 8, and 13 Revised Outside front cover, inside front cover, title page, copyright page, Preface, II Foreword (UL), and Clause 4.1.2 I New I None I CSA C22.2 No. 126.2-02 originally consisted of 32 pages, each dated October 2002. It now consists of the following pages: Update your copy by inserting
4、these revised pages. Keep the pages you remove for reference. CAN/CSA-C22.2 NO. 126.2-02 A National Standard of Canada (approved January 2005) Nonmetallic Cable Tray Systems Standards Council of Canada Conseil canadien des normes The Canadian Standards Association (CSA), under whose auspices this Na
5、tional Standard has been produced, was chartered in 191 9 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 standards re
6、flect 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 their reg
7、ulations, 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 Associat
8、ions 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 activities. Th
9、e 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. complex in Toronto,
10、CSA has regional branch offices in major centres across Canada and inspection and testing agencies in eight countries. Since 191 9, the Association has developed the necessary expertise to meet its corporate mission: CSA is an independent service organization whose mission is to provide an open and
11、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 to Canadian Standards Association 5060 Spectrum Way, Suite 1 O0 Mis
12、sissauga, Ontario, L4W 5N6 Canada In addition to its head office and laboratory Standards Council of Canada Conseil canadien des normes CANADIAN STANDARDS AS SOC I AT I ON The Standards Council of Canada is the coordinating body of the National Standards system, a federation of independent, autonomo
13、us organizations working towards the further development and improvement of voluntary standardization 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 we
14、lfare of the public, assisting and protecting the consumer, facilitating domestic and international trade, and furthering international cooperation in the field of standards. has been approved by the Standards Council of Canada and one which reflects a reasonable agreement among the views of a numbe
15、r of capable individuals whose collective 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 signific
16、ant and timely contribution to the national 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 remai
17、ns the continuing responsibility of the accredited 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
18、 edition from the organization preparing the standard. of Canada rests with the Standards Council of Canada 270 Albert Street, Suite 200 Ottawa, Ontario, KIP 6N7 Canada A National Standard of Canada is a standard which The responsibility for approving National Standards Cette Norme nationale du Cana
19、da est offerte en anglais et en franais. 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 to judge its suitability for their particular purpose. Registered trade-mark of Canadian Standards Assoc
20、iation Canadian Standards Association First Edition CANKSA422.2 NO. 126.2-02 CANADIAN STANDARDS AS SOC I AT I O N Approved Standards Council of Canada bY Underwriters Laboratories Inc. UL 568 First Edition Nonmetallic Cable Tray Systems October 15,2002 (Title page reprinted: January 28, 2005) ANSI/U
21、L 568-2004 (approved January 2005) Commitment for Amendments This Standard is issued jointly by Canadian Standards Association (CSA) and Underwriters Laboratories Inc. (UL). Amendments to this Standard will be made only after processing according to the Standards writing procedures by CSA and UL. I
22、ISBN 1-55324-855-4 Copyright O 2002 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. ISBN 0-7629-0761-4 Copyright O 2002,2005 Underwriters Laboratories Inc. (copyright page replaced
23、 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 . 9 2.2 Abbreviations 10 3 General 11 3.1 Reference publications . 11 3.2 Units of measurement . 12 4 Constructio
24、n . 13 4.1 Materials 13 4.2 Typical dimensions . 13 4.3 Quality of work 15 4.5 Fasteners 16 4.6 Load capacity 16 5.1 Visual defects (pultruded reinforced thermosetting 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
25、 cable tray assemblies 18 5.7 Flame spread 18 5.8 Load testing 18 5.9 Rung load capacity (optional) . 22 6.1 Marking on product . 23 6.3 Cable tray installation 24 4.4 Fittings . 16 5 Tests 17 6 Markings and product information 23 6.2 Product information . 24 Tables . 25 Figures 27 Annex A (Informat
26、ive) A.l Deflection test Al Annex B (Informative) B.l French translations 4 CSA C22.2 NO. 126.2-02 + UL 568 JANUARY 28,2005 Preface This is the common UL and CSA Standard for Nonmetallic Cable Tray Systems. It is the first edition of CSA C22.2 No. 126.2 and the first edition of UL 568. This common s
27、tandard was prepared by the CANENA Technical Harmonization Committee for Nonmetallic Cable Tray Systems, which comprises members from Underwriters Laboratories, the Canadian Standards Association, and the cable tray manufacturing industry. The efforts of the CANENA Technical Harmonization Committee
28、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 Resource Group, and has been formally approved by the Technical Committee. The requirements of CSA Standard C22.2 N
29、o. 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 samples to be tested, the specified number is considered to be a minimum quantity. This standard has been appro
30、ved 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, 2004. This ANSI/UL Standard for Safety, which consists of the first edition, is under continuous maintenance, whe
31、reby 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 the UL-SC Standards Department, 1655 Scott Blvd., Santa Clara, CA 95050. Note: Although the intended primary ap
32、plication 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. Level of Harmonization This standard uses an IEC format, but is not based on, nor is it to be considered e
33、quivalent 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, except as follows. Technical deviations are allowed for codes and governmental regulations and those recognize
34、d as being in accordance with NAFTA Article 905, for example, because of fundamental, climatic, geographical, technological, or infrastructural factors, scientific justification, or the level of protection that the country considers appropriate. Presentation is to be word for word except for editori
35、al 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 standard. The THC determined that the safe use of electrical cable tray is dependent on the design, performance, and
36、 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 tray standards with those presently addressed in the known IEC standard. The THC agreed such future investiga
37、tion 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 6 UL 568 5 Interpretations The interpretation by the Standards Development Organization (SDO) of an identical or equivalent standard is to be bas
38、ed 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 revision is to be proposed as soon as possible to each of the SDOs to more accurately reflect the intent. UL
39、 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 announced through CSA Informs or a CSA Certification Notice. 6 CSA C22.2 NO. 126.2-02 + UL 568 OCTOBER 15,2002 For
40、eword (CSA) The Canadian Standards Association (CSA) develops standards under the name Canadian Standards Association, and provides certification and testing under the name CSA International. CSA International provides certification services for manufacturers who, under license from CSA, wish to use
41、 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 of maintaining agreed-upon standards of quality, performance, interchangeability and/or safety, as appropri
42、ate. Where applicable, certification may form the basis for acceptance by inspection authorities responsible for enforcement of regulations. Where feasible, programs will be developed for additional products for which certification is desired by producers, consumers, or other interests. In performin
43、g 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 Association represent its professional judgement given with due consideration to the necessary limitations of p
44、ractical 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 deemed to meet the Standard providing the feature or difference is found acceptable utilizing appropriate CSA
45、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 Standard. Products shall not be certifiable if they are discovered to contravene applicable laws or regulati
46、ons. 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 addition to markings specified in the Standard, CSA International may require special cautions, markings, and i
47、nstructions 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 injury or damage that may occur during or as the result of tests, wherever performed, whether performed in whol
48、e 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 Association. Manufacturers should note that, in the event of the failure of CSA International to resolve an issue a
49、rising 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 this 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 C
