1、C22.2 No. 83.1-07(reaffirmed 2017)Electrical Metallic Tubing SteelLegal Notice for StandardsCanadian Standards Association (CSA) standards are developed through a consensus standards development process approved by the Standards Council of Canada. This process brings together volunteers representing
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17、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.Update No. 1C22.2 No. 83.1-07December 2012Note: For information about the Standards Update Service, go to shop.csa.ca or e-mail tec
18、hsupportcsagroup.org.Title: Electrical Metallic Tubing Steel originally published November 2007The following revisions have been formally approved and are marked by a vertical line in the margin on the attached replacement pages:Revised Title page, copyright page, Contents, and PrefaceNew Clauses 7.
19、8 and 7.9 and Annex FDeleted None Update your copy by inserting these revised pages.Keep the pages you remove for reference.Association of Standardization and CertificationNMX-J-536-ANCEThird EditionCSA GroupCSA C22.2 No. 83.1-07Second EditionUnderwriters Laboratories Inc.UL 797Ninth EditionElectric
20、al Metallic Tubing SteelNovember 30, 2007(Title Page Reprinted: December 21, 2012)ANSI/UL 797-2012Commitment for AmendmentsThis standard is issued jointly by the Association of Standardization and Certification (ANCE), theCanadian Standards Association (operating as “CSA Group”), and Underwriters La
21、boratories Inc. (UL).Comments or proposals for revisions on any part of the standard may be submitted to ANCE, CSAGroup, or UL at any time. Revisions to this standard will be made only after processing according tothe standards development procedures of ANCE, CSA Group, and UL. CSA Group and UL will
22、 issuerevisions to this standard by means of a new edition or revised or additional pages bearing their dateof issue. ANCE will incorporate the same revisions into a new edition of the standard bearing the samedate of issue as the CSA Group and UL pages.Copyright 2012 ANCERights reserved in favor of
23、 ANCE.ISBN 978-1-55436-521-0 2007 CSA GroupAll rights reserved. No part of this publication may be reproduced in any form whatsoever without theprior permission of the publisher.This Standard is subject to periodic review, and suggestions for its improvement will be referred to theappropriate commit
24、tee. To submit a proposal for change, please send the following information toinquirescsagroup.org and include “Proposal for change” in the subject line: Standard designation(number); relevant clause, table, and/or figure number; wording of the proposed change; and rationalefor the change.To purchas
25、e CSA Group Standards and related publications, visit CSA Groups Online Store atshop.csa.ca or call toll-free 1-800-463-6727 or 416-747-4044.Copyright 2012 Underwriters Laboratories Inc.ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standardshouldbealtered
26、inanyway.AllofULsStandardsandallcopyrights,ownerships,andrightsregardingthose Standards shall remain the sole and exclusive property of UL.This ANSI/UL Standard for Safety consists of the Ninth Edition including revisions through December21, 2012. The most recent designation of ANSI/UL 797 as an Ame
27、rican National Standard (ANSI)occurred on December 21, 2012. ANSI approval for a standard does not include the Cover Page,Transmittal Pages, Title Page (front and back), or the Preface.The Department of Defense (DoD) has adopted UL 797 on January 25, 1982. The publication ofrevised pages or a new ed
28、ition of this Standard will not invalidate the DoD adoption.Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time.Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative StandardsDevelopment System (CSDS) at http:/.To purchase UL
29、 Standards, visit Comm 2000 at http:/m- call toll-free 1-888-853-3503.CONTENTSPreface .41 Scope .62 Normative references .63 Definitions 64 Units of measurement .75 Construction 75.1 Tube 75.2 Finished tubing .85.3 Protective coatings .85.4 Elbows .105.5 Expanded-end integral couplings 116 Test requ
30、irements 116.1 Tube .116.2 Protective coatings 127 Markings 19Annex A (normative)A.1 Normative references .25Annex B (informative)B.1 Dimensions of EMT Steel .28Annex C (informative)C.1 Coating tests overview .29Annex D (informative)D.1 Examination of finished product by manufacturer 30Annex E (info
31、rmative)E.1 Alternative National Markings 31Annex F (informative)F.1 Master Bundle Quantity .32DECEMBER 21, 2012 NMX-J-536-ANCE CSA C22.2 NO. 83.1-07 UL 797 3PrefaceThis is the common ANCE, CSA Group, and UL standard for electrical metallic tubing steel. It is the thirdedition of NMX-J-536-ANCE, the
32、 second edition of CSA C22.2 No. 83.1, and the ninth edition of UL 797.This edition of CSA C22.2 No. 83.1 supersedes the previous edition published in 2004. This edition of UL797 supersedes the previous edition published June 30, 2004.This common standard was prepared by the Association of Standardi
33、zation and Certification (ANCE),CSA Group, and Underwriters Laboratories Inc. (UL), and the conduit manufacturing industry. The effortsand support of the Technical Harmonization Subcommittee for Conduit and Tubing, of the Council of theHarmonization of Electrotechnical Standards for the Nations of t
34、he Americas (CANENA) are gratefullyacknowledged.This standard is considered suitable for use for conformity assessment within the stated scope of thestandard.This standard was reviewed by the CSA Subcommittee on Metal Conduit and Tubing, under thejurisdiction of the CSA Technical Committee on Wiring
35、 Products and the CSA Strategic SteeringCommittee on Requirements for Electrical Safety, and has been formally approved by the TechnicalCommittee.This standard has been approved by the American National Standards Institute as an American NationalStandard.Where reference is made to a specific number
36、of samples to be tested, the specified number is to beconsidered a minimum quantity.Note: Although the intended primary application of this standard is stated in its scope, it is important to note that it remainsthe responsibility of the users of the standard to judge its suitability for their parti
37、cular purpose.Level of harmonizationThis standard uses an IEC format, but is not based on, nor is it to be considered equivalent to an IECstandard. This standard is published as an equivalent standard for ANCE, CSA Group, and UL. Anequivalent standard is a standard that is substantially the same in
38、technical content, except as follows:Technical deviations are allowed for codes and governmental regulations and those recognized as beingin accordance with NAFTA Article 905, for example, because of fundamental, climatic, geographical,technological or infrastructural factors, scientific justificati
39、on, or the level of protection that the countryconsiders appropriate. Presentation is to be word for word except for editorial changes.Reasons for differences from IECThe Technical Harmonization Subcommittee identified several IEC standards that address electricalconduit and tubing included in the s
40、cope of this standard. The IEC standards for electrical conduit andtubing are recognized as being generally system-specific, containing the requirements for the relevantconduits, tubing, and associated fittings in several discrete IEC standards.The THSC determined the safe use of electrical conduit
41、and tubing is dependent on the design andperformance of the conduit and tubing systems with which they are intended to be installed. Significantinvestigation is required to assess safety and system compatibility issues that may lead to harmonizationof traditional North American electrical conduit an
42、d tubing and associated fittings with those presentlyDECEMBER 21, 2012NMX-J-536-ANCE CSA C22.2 NO. 83.1-07 UL 7974addressed in the known IEC standards. The THSC agreed such future investigation might be facilitatedby completion of harmonization of the North American standards for electrical conduit
43、and tubing and theirfittings.InterpretationsThe interpretation by the standards development organization of an identical or equivalent standard is tobe based on the literal text to determine compliance with the standard in accordance with the proceduralrules of the standards development organization
44、. If more than one interpretation of the literal text has beenidentified, a revision is to be proposed as soon as possible to each of the standards developmentorganizations to more accurately reflect the intent.ANCE effective dateThe effective date for ANCE will be announced through the Diario Ofici
45、al de la Federacin (OfficialGazette) and is indicated on the cover page.CSA Group effective dateThe effective date for CSA Group will be announced through CSA Informs or a CSA Group CertificationNotice.UL effective dateAs of December 21, 2012, all products Listed or Recognized by UL must comply with
46、 the requirements inthis standard except for Clauses 7.8, 7.9, and Annex F (Clause F.1 and Table F1) which are effective June21, 2014.A UL effective date is established by Underwriters Laboratories Inc. and is not part of the ANSI approvedstandard.DECEMBER 21, 2012 NMX-J-536-ANCE CSA C22.2 NO. 83.1-
47、07 UL 797 5Electrical Metallic Tubing Steel1 Scope1.1 These requirements cover electrical metallic tubing steel (EMT) and elbows for use as a metalraceway for installation of wires and cables in accordance with CSA C22.1, Canadian Electrical Code,Part 1, NOM-001-SEDE, Standard for Electrical Install
48、ations, and NFPA 70, National Electrical Code (seeReference Item No. 1, Annex A). EMT is provided with a zinc, zinc-based, nonmetallic, or other alternatecorrosion-resistant exterior coating and an organic or zinc interior coating. It is the users responsibility todetermine the appropriate product f
49、or their application.1.2 Aluminum electrical metallic tubing is covered by the standards listed in Reference Item No. 2, AnnexA.2 Normative references2.1 Products covered by this standard shall comply with the reference installation codes and standardsas appropriate for the country where the product is to be used. When the product is intended for use inmore than one country, the product shall comply with the installation codes and standards for all countrieswhere it is intended to be used. A R
