IEC IEC60826 Edition 4.02017-02 INTERNATIONAL STANDARD colour inside Overhead transmission lines - Design criteria 60826:2017-02(en trotechnical Commission No reproduction ted without license from IHS 16/201721:43:08MS THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright2017 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or IEC's member National Committee in the country of the requester. If youhave any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or your local IEC member National Committee for further information. IEC Central Office Tel.: +41 22 919 02 11 3, rue de Varembé Fax: +41 22 919 03 00 CH-1211 Geneva 20 [email protected] Switzerland www.iec.ch About the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. About IEC publications latest edition, a corrigenda or an amendment might have been published. IEc Catalogue -webstore.iec.ch/catalogue Electropedia-www.electropedia.org The stand-alone application for consulting the entire The world's leading online dictionary of electronic and bibliographical information on IEC International Standards electrical terms containing 20 000 terms and definitions in Technical Specifications, Technical Reports and other English and French, with equivalent terms in 16 additional documents. Available for PC, Mac OS, Android Tablets and languages. Also known as the International Electrotechnical iPad. Vocabulary (IEV) online. IEC Glossary - std.iec.ch/glossary IEC publicationssearch-www.iec.ch/searchpub The advanced search enables to find IEC publications by a 65 000 electrotechnical terminology entries in English and variety of criteria (reference number, text, technical French extracted from the Terms and Definitions clause of committee...). It also gives information on projects, replaced IEC publications issued since 2002. Some entries have been collected from earlier publications of IEC TC 37, 77, 86 and and withdrawn publications. CISPR. IEC Just Published - webstore.iec.ch/justpublished IEc Customer Service Centre -webstore.iec.ch/csc Stay up to date on all new IEC publications. Just Published details all new publications released. Available online and If you wish to give us your feedback on this publication or also once a month by email. need further assistance, please contact the Customer Service Centre: [email protected]. No reproduction or networking pemited without icense from IHS Not for Resale, 02/16/2017 21:43:08 MST IEC IEC 60826 Edition 4.0 2017-02 INTERNATIONAL STANDARD colour inside Overhead transmission lines -Design criteria INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 29.240.20 ISBN 978-2-8322-3884-4 Warning! Make sure that you obtained this publication from an authorized distributor. @ Registered trademark of the International Electrotechnical Commission Copyright Intermational Elect nical Commission No reproduction or networking pemited without ioense from IHS Not for Resale, 02/16/2017 21:43:08 MST