12KV high-voltage cable branch box

The utility model discloses a 12KV high-voltage cable branch box, which comprises a base, a branch box body and a mounting plate, the top of the base is provided with a water pump, the top of the base is provided with the branch box body, the branch box body is located at one side of the water pump, the two sides of the branch box body are provided with first heat dissipation windows, and the first heat dissipation windows are provided with second heat dissipation windows. A sealing layer is mounted on the inner wall of the branch box body, a mounting plate is mounted in the branch box body, a fixing plate is mounted at the top of the branch box body, an alarm is mounted at the top of the fixing plate, and pneumatic cylinders are symmetrically distributed and mounted at the top of the fixing plate through bolts. The waterproof device is installed on the top of the fixing plate, the waterproof plate is driven by the air pressure device to move, the waterproof plate can be lifted, and therefore the rainproof ef