Cable entry into explosion proof enclosures is made thanks to the use of special cable glands, which allow both the cable entry directly (British system), either through increased safety enclosures (German system). These two types of entries are described in detail below. Chemical plants have risks like explosive gases, dusts, or vapors. In this system, a cable. Power in the plant is the strong bones in chemical plants using cable trays. The purpose of this brochure is to help them in the selection of suitable cables and cable entry components, as well as the combination of them which is very important because properties of cables and. 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.