IEC IEC TS 60815-4 Edition1.0 2016-10 TECHNICAL SPECIFICATION colour inside Selection and dimensioning of high-voltage insulators intended for use in pollutedconditions- Part 4: Insulators for d.c. systems EC TS 60815-4:2016-10(en) THIS PUBLICATIONIS COPYRIGHT PROTECTED Copyright @2016 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 you have any questions about IEC 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 theIEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. AboutIEC publications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latest edition, a corrigenda or an amendment might have been published. IEc Catalogue -webstore.iec.ch/catalogue Electropedia -www.electropedia.org Thestand-alone applicationforconsulting theentire 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 15 additional documents. Available for PC, Mac OS, Android Tablets and languages. Also known as the International Electrotechnical iPad. Vocabulary (IEV) online. IEc publications search -www.iec.ch/searchpub IEC Glossary - std.iec.ch/glossary The advanced search enables to find IEC publications by a 65 000 electrotechnical terminology entries in English and varietyofcriteria(referencenumber, 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 Some entries have been collected from earlier publications of IEC TC 37, 77, 86 and and withdrawn publications.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. IECJustPublished-webstore.iec.ch/justpublished Stay up to date on all new IEC publications. Just Published IEC CustomerServiceCentre-webstore.iec.ch/csc 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]. IEC IEC TS 60815-4 Edition 1.0 2016-10 TECHNICAL SPECIFICATION colour inside Selection and dimensioning of high-voltage insulators intended for use in polluted conditions - Part 4: Insulators for d.c. systems INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 29.080.10 ISBN978-2-8322-3704-5 Warning!Make sure that you obtained this publication from an authorized distributor. ? Registered trademark of the International Electrotechnical Commission