The present document describes the Recommendations for the applicability of environmental classes in outdoor cabinet environment. The present document applies for the powering of all equipment of the access network (copper@ fibre or radio networks) located outside telecommunications centres. The present document is intended to be applicable to empty cabinets which can be equipped for installation in an outdoor location. The recommendations for outdoor equipment also apply@ where relevant@ to empty outdoor enclosures supplied for housing Information technology equipment to be installed in an outdoor location. The recommendations for humidity@ vibration@ shock@ biologic conditions@ chemical active substances and mechanically active substances (sand@ dust@ etc.) and mechanical conditions including earthquake contained within relevant standards of intended use according to EN 300 019 series [i.2] to [i.7].