Amendment 1:2018 to CAN/CSA-C22.2 NO. 60079-7:16, Explosive atmospheres - Part 7: Equipment protection by increased safety \"e\" -------------------------------------------------------------------------------------------------------------------------------- Modification 1:2018 de CAN/CSA-C22.2 NO. 60079-7:16, Atmosphères explosives - Partie 7 : Protection du matériel par sécurité augmentée «e»