IEC IECTS63060 Edition1.02019-02 TECHNICAL SPECIFICATION Electric energy supply networks - General aspects and methods for the maintenance of installations and equipment IEC TS 63060:2019-02(en) THIS PUBLICATIONIS COPYRIGHTPROTECTED Copyright 2019 IEC,Geneva, Switzerland or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from 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. IEC Central Office Tel.: +41 22 919 02 11 3. rue de Varembe [email protected] CH-1211Geneva 20 www.iec.ch Switzerland 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 corrigendum or an amendment might have been published. IEC publications search -webstore.iec.ch/advsearchform Electropedia-www.electropedia.org The advanced search enables to find IEC publications by a The world's leading online dictionary on electrotechnology. varietyof criteria(reference number,text, technical containing more than 22 000 terminological entries in English committee,...). It also gives information on projects, replaced and French, with equivalent terms in 16 additional languages. and withdrawn publications. Also known as the International Electrotechnical Vocabulary (IEV) online. IEC Just Published -webstore.iec.ch/justpublished IEC Glossary - std.iec.ch/glossary Stay up to date on all new IEC publications. Just Published details all new publications released. Available online and 67 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of once a month by email. IEC publications issued since 2002. Some entries have been IEC CustomerServiceCentre-webstore.iec.ch/csc collected from earlier publications of IEC TC 37, 77, 86 and If you wish to give us your feedback on this publication or CISPR. need further assistance, please contact the Customer Service Centre: [email protected]. IEC IEC TS 63060 Edition 1.02019-02 TECHNICAL SPECIFICATION Electric energy supply networks - General aspects and methods for the maintenance of installations and equipment INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 29.240.01 ISBN 978-2-8322-6562-8 Warning! Make sure that you obtained this publication from an authorized distributor.