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CEI NORME IEC INTERNATIONALE 60660 INTERNATIONAL STANDARD Deuxieme édition Second edition 1999-10 HOENSERTAMUSENI HISLOCEANIONBANYASORELIED BY BOK SPLYBUREAU. Isolateurs Essais des supports isolants d'interieur en matiere organique destinés a des installations de tension nominale superieure a 1 000 V jusqu'a 300 kv LI nite non compris Insulators - 11/E Tests on indoor post insulators of organic material for systems with nominal voltages greater than 1 000 V upto but not including 300 kv IEC Numéro de reference Reference number CEI/IEC60660:1999 Numbering Numerosdespublications Depuis le 1er janvier 1997,les publications de la CEl Asfrom1January.1997all IEcpublicationsare sont numerotees a partir de 60000. issued with a designation in the 60000 series. Publicationsconsolidees Consolidatedpublications Les versions consolidees de certaines publications de Consolidatedversions some IEC_publications of la CEl incorporant les amendements sont disponibles. including amendments are,available. For example, Par exemple, les numeros d'édition 1.0,1.1 et 1.2 edition numbers 1.0, 1.1 and 1.2 refer, respectively, to indiquent respectivement la publication de base,la thebase publication,thebasepublicationincor- publication de base incorporant I'amendement 1, et la poratingamendment 1. and the base publication publication de base incorporant les amendements 1 incorporating amendments 1 and 2. et 2. Validitedelapresentepublication Validity ofthispublication HNISANEBYBOSULBURAU Le contenu technique des publications de la CEl est The technical content of IEC_publications is kept constamment revu par la CEl afin quil reflete I'état under constant review by the IEC, thus ensuring that actuel de la technique. the content reflects current technology. Des renseignements relatifs a la date de reconfir- Information relating to the date of the reconfirmation mation dela publication sont disponibles dans le of thepublication is available in the IEC catalogue Catalogue de la CEl. Les renseignements relatifs a des questions a I'étude et Information on the subjects under consideration and LI workinprogressundertakenbythetechnical qui a etabli cette publication, ainsi que la liste des committee which has prepared this publication, as well publications établies, se trouvent dans les documents ci- as the list of publications issued, is to be found at the dessous: following IEC sources: Sitewebdela CEI* IECweb site* Catalogue des publications de la CEl Catalogue of IEC publications Publie annuellement et mis a jour Published yearly with regular updates regulierement (On-line catalogue)* (Catalogue en ligne)* IEC Bulletin Bulletin de la CEI Available both at the IEC web site* and UP Disponible a la fois au "site web de la CEI* as a printed periodical et comme periodique imprimé Terminologie,symbolesgraphiques Terminology,graphical and letter etlitteraux symbols En ce qui concerne la terminologie generale, le lecteur general terminology, readers are referred to For se reportera a la CEl60050: Vocabulaire Electro- IEC 60050:International Electrotechnical Vocabulary technique International (VEl) (IEV). Pour les symboles graphiques, les symboles litteraux For graphical symbols,and letter symbols and signs et les signes d'usage general approuves par la CEl, le approved by the IEc for general use, readers are lecteur consultera la CEl60027:Symboles litterauxa referred topublications IEC 60027:Lettersymbols to utiliser en électrotechnique,la CEi 60417:Symboles be used in electrical technology,IEC 60417: Graphical graphiques utilisables sur lemateriel.Index,releve et symbols.for use onequipment.Index, surveyand compilation des feuilles individuelles, et la CEl 60617: compilation of the single sheets and TEC 60617: Symboles graphiques pour schemas. Graphical symbols for diagrams. Voir adresse site web sur la page de titre. See web site address on title page. CEI NORME IEC INTERNATIONALE 60660 INTERNATIONAL STANDARD Deuxieme édition Second edition 1999-10 HENSERTAMUSENITH

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