IEC IEC 62217 Edition 3.02025-10 INTERNATIONAL STANDARD Polymeric HV insulators for indoor and outdoor use - General definitions, test methods and acceptance criteria IEC 62217:2025-10(en) ICS 29.080.10 ISBN 978-2-8327-0690-9 THIS PUBLICATIONIS COPYRIGHTPROTECTED Copyright @ 2025 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or IEc or IEC's member National Committee in the country of the requester. If you have any questions about IEc copyright or have an enquiry about obtaining additional rights to this publication,please contact the address below or your local IECmemberNational Committeeforfurtherinformation. IEC Secretariat Tel.: +41 22 919 02 11 3, rue de Varembé [email protected] CH-1211Geneva20 www.iec.ch Switzerland 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. AboutIEc publications latest edition,acorrigendumoranamendment might have beenpublished. IECpublicationssearch IECProducts&ServicesPortal-products.iec.ch webstore.iec.ch/advsearchform Discover our powerful search engine and read freely all the The advanced search enables to find IEC publications by a publications previews, graphical symbols and the glossary. variety. of criteria (reference number, text, technical With a subscription you will always have access to up to date committee, ...). It also gives information on projects, content tailored to your needs. replaced and withdrawn publications Electropedia - www.electropedia.org IEc Just Published - webstore.iec.ch/justpublished The world's leading online dictionary on electrotechnology, Stay up to date on all new IEC publications. Just Published containing more than 22 500 terminological entries in English details all new publications released. Available online and and French, with equivalent terms in 25 additional languages. oncea 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]. Warning!Makesurethatyouobtainedthispublicationfromanauthorizeddistributor. IEC62217:2025@IEC2025 CONTENTS FOREWORD INTRODUCTION. 5 1 Scope. 2 Normative references ... 3 Terms and definitions 4 Identification... 12 5 Environmental conditions.. .12 6 Information on transport, storage and installation .13 7 Classification of tests 7.1 General. .13 7.2 Design tests.. 13 7.3 Type tests.... 7.4 Sample tests .. .14 7.5 Routine tests .. 14 8 General requirements for insulator test specimens 9 Design tests .. .15 9.1 General. .15 9.2 Tests on interfaces and connections of end fittings 9.2.1 General... 9.2.2 Test specimens ..15 9.2.3 Reference flashover voltage and reference temperature for verification tests. 9.2.4 Reference flashover voltage test.. .16 9.2.5 Product specific pre-stressing .... 16 9.2.6 Water immersion pre-stressing 9.2.7 Verification tests. 9.3 Tests on housing material. .18 9.3.1 Hardness test . 18 9.3.2 Accelerated weathering test. 19 9.3.3 Tracking and erosion test - 1 ooo h salt fog AC voltage test .20 9.3.4 Flammability test . 9.3.5 Hydrophobicity transfer test .... 9.4 Tests on core material .. 9.4.1 General ..... 9.4.2 Porosity test (Dye penetration test)... .24 9.4.3 Water diffusion test.... .25 9.4.4 Stress corrosion test... .26 9.5 Water diffusion test on core with housing ........ 9.5.1 General ....... 9.5.2 Test specimens .. 9.5.3 Test procedure. ..27 9.5.4 Acceptance criteria ... Annex A (informative) Explanation of the concept of classes for the design tests. .28 Annex B (informative)| Recommended test application Annex C (informative) Tests for AC or DC application.... 1 IEC62217:2025IEC2025 Annex D (informative) Difference between the