Ex terminal boxes are protective enclosures used to connect and distribute electrical circuits safely within explosive atmospheres. They serve as junction points for cables, helping organize and route wiring in a way that maintains system integrity while reducing safety risks. With a wide range of enclosure materials, sizes, ambient temperature ranges, and customizable configuration s, these solutions can. Jacob GmbH supplies enclosures and Ex junction boxes from the manufacturers Hawke and Killark in stainless steel and plastic.