Explosion-proof distribution box with explosion-proof performance of a class of distribution box. The main explosion-proof lighting distribution box, explosion-proof power distribution box, explosion-proof corrosion-proof distribution box. BXM (D) explosion-proof distribution box is suitable for distribution line in petrochemical equipment, oil platform, chemical industry, pharmacy, coal, smelting, shipbuilding, military industry, textile and other inflammable and explosive places. Zone 1, Zone 2 explosive gas environment. 20,21,22 zone combustible dust environment. Use Method 1, according to the actual lighting needs of the work site, determine the installation position and mode of lamps, then press the lamp to 220V power connection distance to prepare the corresponding length of the three-core cable (if the use of steel pipe wiring will be three-core cable into the steel pipe to the lamp installation) . 2. First remove the fixing screw on the wiring cavity, pull out the wiring part of the wiring box, take out the sealing ring and the joint (with the fixing screw) from the package box, and then insert the cable in turn; Then connect one end of the three-core cable into the mark“L”, “N” and the grounding place respectively in the box, after pressing the cable with the wire clamp, and fixing it with the fastening screw, then tightening the joint and pressing the sealing ring, and tighten the setting screw from the side. 3. Screw the parts of step 2 into the steel pipe, install the setting screw to lock from the side, then install the lamp body along the guide rail of the Junction Box, then tighten the screw on the panel. 4. Finally connect the other end of the three-core cable to the 220V power supply according to the requirements of the explosion-proof distribution box. 5, when changing the bulb, first cut off the power, and then use the hexagon wrench to remove the screw on the housing, with a large screwdriver or other tools loosen the lamp cover 6 rounds, and then use hand carefully to slowly remove the lamp cover, unscrew an old bulb and replace it with a new one.