IEC IEC61386-21 Edition 2.02021-04 REDLINE VERSION INTERNATIONAL STANDARD colour inside Conduit systems for cable management - Part 21: Particular requirements - Rigid conduit systems IEC 61386-21:2021-04 RLV(en) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright @ 2021 IEC, Geneva, Switzerland or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from. either IEC or IEC's member National Commitee in the country of the requester. if you have any questions about EC copyright or have an enquiry about obtaining additional rights to this publication, piease contact the address below or your local IEC member National Committee for further information. IECCentralOffice Tel.: +41 22 919 02 11 3, rue de Varembé [email protected] CH-1211 Geneva 20 www.iec.ch Switzerland Aboutthe IEC International Standards for all electrical, electronic and related technologies. About IEC publications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latestedition,a corrigendum oranamendment might havebeenpublished. IEC publications search - webstore.iec.ch/advsearchform IEC online collection - oc.iec.ch The advanced search enables to find IEC publications by a Discover our powerful search engine and read freely all the varietyofcriteria(reference number,text,technical publications previews. With a subscription you will always committee, ...). It also gives information on projects, replaced have access to up to date content tailored to your needs. and withdrawn publications. Electropedia - www.electropedia.org IEc Just Published - webstore.iec.ch/justpublished The world's leading online dictionary on electrotechnology Stay uptodate on all newIEC publications.JustPublished containing more than 22 000 terminological entries in English details all new publications released. Available online and and French, with equivalent terms in 18 additional languages. once a month by email. Also known as the International Electrotechnical Vocabulary (IEV) online IECCustomerServiceCentre-webstore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: [email protected]. IEC IEC61386-21 Edition 2.02021-04 REDLINE VERSION INTERNATIONAL STANDARD colour inside Conduit systems for cable management - Part 21: Particular requirements - Rigid conduit systems INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 29.120.10 ISBN 978-2-8322-9704-9 Warning! Make sure that you obtained this publication from an authorized distributor.