IEC IEC60079-10-1 Edition3.02020-12 INTERNATIONAL STANDARD NORME INTERNATIONALE colour inside Explosiveatmospheres- Part10-1:Classificationofareas-Explosivegas atmospheres Atmospheresexplosives- Partie10-1:Classification des emplacements-Atmospheresexplosives gazeuses IEC 60079-10-1:2020-12(en-fr) Copyright Internal nicalCommission THISPUBLICATIONISCOPYRIGHTPROTECTED Copyright2020 IEC,Geneva,Switzerland All rightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilized inanyform orbyanymeans,electronic ormechanical,including photocopying andmicrofilm,withoutpermission inwritingfrom either 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 IEC member National Committee for further information. Droits de reproduction reserves.Sauf indication contraire, aucune partie de cette publication ne peut etre reproduite ni les microfilms, sans I'accord ecrit de I'lEc oudu Comite national de IIEc dupays dudemandeur.Si vous avez des questions sur le copyright de IiEC ou si vous desirez obtenir des droits supplementaires sur cette publication, utilisez les coordonnees ci-apres ou contactez le Comite national de IEC de votre pays de residence. IEC CentralOffice Tel.: +41 22 919 02 11 3, rue de Varembé [email protected] CH-1211Geneva20 www.iec.ch Switzerland AbouttheIEC 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. IECpublicationssearch-webstore.iec.ch/advsearchform Electropedia-www.electropedia.org TheadvancedsearchenablestofindIECpublicationsbya 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 alsogives information on projects,replaced and French, with equivalent terms in 16 additional languages. andwithdrawnpublications. Also known as the International Electrotechnical Vocabulary IEC Just Published-webstore.iec.ch/justpublished (IEV)online. Stayuptodateonall newIECpublications.JustPublished lECGlossary-std.iec.ch/glossary details all new publications released.Available online and once 67 000 electrotechnical terminology entries in English and amonthbyemail. French extracted from the Terms and Definitions clause of IEC publications issued since 2002.Some entries have been IECCustomerServiceCentre-webstore.iec.ch/csc collected from earlier publications of IEC TC 37, 77, 86 and if you wish to give us yourfeedback on this publication or need CISPR. further assistance, please contact the Customer Service Centre:[email protected]. A propos de IIEC La Commission Electrotechnique Internationale (IEC) est la premiere organisation mondiale qui élabore et publie des NormesinternationalespourtoutcequiatraitaI'électricite,aI'electroniqueetauxtechnologiesapparentees. AproposdespublicationsIEc Le contenu technique des publications IEC est constamment revu.Veuillez vous assurer que vous possedez I'edition la plus recente, un corrigendum ou amendement peut avoir ete publie RecherchedepublicationslEc Le premier dictionnaire d'electrotechnologie en ligne au monde, webstore.iec.ch/advsearchform avecplus de22000articlesterminologiquesenanglaiseten La recherche avancee permet de trouver des publications IEC frangais, ainsi que les termes equivalents dans 16 langues en utilisant differentscriteres (numero dereference,texte, additionnelles. Egalement appele Vocabulaire comited'etudes,...).Elledonneaussidesinformationssurles Electrotechnique International (IEV)en ligne. pr