In order to ensure the waterproof performance of distribution boxes, manufacturers will strictly seal the joints of the box. Usually, rubber sealing rings or sealants are used for sealing to effectively prevent the intrusion of rainwater, sand and dust. The area under a GIS, a gas insulated substation, is used for pulling cables. It is very important to seal the cable and pipe entries in cable trenches, foundations and walls to avoid partial discharge activity, failure and damage to vital equipment. You can select different configuration and equipment option ur production, where they. Electrical enclosures protect sensitive equipment like wiring, circuits, and control systems from harsh environments. Regularly check the box and cover. Also, do not use power tools near the electrical.