Wire concentration box

The utility model provides a line concentration box which comprises a bottom plate, end plates are arranged at the two ends of the bottom plate, a side plate is arranged on one side of the bottom plate, a door frame is arranged on the other side of the bottom plate, and a movable door is arranged on one side of the door frame. A top plate is arranged above the two groups of end plates, two groups of first grooves are formed in the top plate, and heat dissipation mechanisms are arranged in the two groups of first grooves; and multiple groups of clapboards are arranged between the two groups of end plates. According to the line concentration box, the connecting lines are installed on the line clamping grooves, the distance between the connecting lines is adjusted, a worker can conveniently check and maintain the connecting lines, region division is carried out by adjusting the distance between the partition plates or the number of the partition plates in the line concentration box, the worker can conveniently i