Except for a deck box for a small battery installation, each deck box must have a duct from the top of the box to at least 4 ft. 2 m) above the box ending in a gooseneck or mushroom head that prevents entrance of water. Holes for air must be on at least two parallel sides of each. Blast-proof enclosures are protective devices designed to prevent the consequences of fires & explosions. In order to implement the necessary safety measures in the most. Explosion-proof (North American usage) – an enclosure that can withstand an internal explosion of a specified gas or vapor and prevent propagation to the surrounding atmosphere. To maintain IP54 when glands etc. are to be. Ex Industries (exindustries) is a global supplier of advanced hazardous area solutions, offering a wide portfolio of certified products including explosion proof electrical boxes, explosion proof junction boxes, explosion proof lighting, intrinsically safe barrier systems, explosion proof cables. Whether sourcing Ex d flameproof equipment for offshore oil platforms or onshore petrochemicals plants, it is critical that end users and installers fully understand the implications of modifying these enclosures. Enclosure: 316 stainless steel.