The disclosure generally relates to an exemplary enclosure that can house an electrical network protection element and provide protection to the electrical network protection element against damage in various environments such as when the enclosure is placed in an underground vault that may be flooded during rain, or when a liquid (oil, for example) comes in contact with the enclosure. The enclosure includes a flange attached to the housing and two doors that are hingeably attached to the flange. A wedge projection is provided along the perimeter of the flange and a gasket is provided on three outer edges of each door. The gasket sealingly receives the wedge projection of the flange when the doors are closed. The first door further includes a beveled inner edge that sealingly mates with a gasket in a complementary beveled inner edge of the second door when the doors are closed.