IEC IEC60079-26 Edition 4.02021-02 INTERNATIONAL STANDARD NORME INTERNATIONALE colour inside Explosiveatmospheres Part 26: Equipment with Separation Elements or combined Levels of Protection Atmospheresexplosives- Partie26:Appareilavec élementsde separation ou niveauxde protection combines IEC60079-26:2021-02(en-fr) THISPUBLICATIONISCOPYRIGHTPROTECTED Copyright @2021IEC, Geneva, Switzerland All rights reserved.Unless otherwise specified,nopart ofthis publicationmaybereproduced orutilized in anyform orbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfrom eitherIECorIEC'smemberNationalCommitteeinthecountryoftherequester.IfyouhaveanyquestionsaboutIEC 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 étre reproduite ni utilisee sous quelque forme que ce soit et par aucun procede, electronique ou mecanique,y compris la photocopie etlesmicrofilms, sans I'accord écrit de I'lEC ouduComite national de I'lEC du pays dudemandeur.Sivous avez des questions sur le copyright de IEC ou si vous desirez obtenir des droits supplementaires sur cette publication, utilisez lescoordonneesci-apresoucontactezleComitenationaldel'lECdevotrepaysderesidence. IECCentral Office Tel.: +4122 919 02 11 3,ruede Varembée [email protected] CH-1211 Geneva 20 www.iec.ch Switzerland Aboutthe IEC International Standards for all electrical, electronic and related technologies. AboutIECpublications 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 IEC online collection -oc.iec.ch The advanced search enables to find IEC publications by a Discover ourpowerful search engine and read freely all the variety ofcriteria(referencenumber,text,technical publications previews.With a subscriptionyouwill always committee,...).Italso gives information on projects,replaced haveaccesstouptodatecontenttailoredtoyourneeds. and withdrawn publications.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 22 000 terminological entries in English details all new publications released. Available online and and French, with equivalent terms in 18 additional languages. once a month by email. AlsoknownastheInternationalElectrotechnicalVocabulary (IEV) online. IECCustomerServiceCentre-webstore.iec.ch/csc If you wish to give us your feedback on this publication or needfurtherassistance,pleasecontacttheCustomerService Centre:[email protected]. AproposdeIIEc La Commission Electrotechnique Internationale (IEC) est la premiere organisation mondiale qui élabore et publie des Normes internationales pour tout ce qui a trait a I'electricite, a i'electronique et aux technologies apparentees. AproposdespublicationsIEc LecontenutechniquedespublicationsIEC est constamment revu.Veuillezvous assurerquevouspossedezI'éditionla plusrecente,uncorrigendumouamendementpeutavoirétepublie RecherchedepublicationsIEc IEConlinecollection-oc.iec.ch Decouvrez notre puissant moteur de recherche et consultez webstore.iec.ch/advsearchform LarechercheavanceepermetdetrouverdespublicationsIEC gratuitement tous les apercus des publications. Avec un en utilisant differents criteres (numero de reference, texte, abonnement, vous aurez toujours acces a un contenu a jour comite d'etudes, ...). Elle donne aussi des informations sur adapteavosbesoins. les projets etlespublications remplaceesou retirees. Electropedia-www.electropedia.org IEC Just Published -webstore.iec.ch/justpublished Le premier dictionnaire d'