Can reduce contact resistance's electricity connection device

The utility model discloses a can reduce contact resistance's electricity connection device, include the sleeve that has plasticity with the terminal suit complex of low pressure kettle head, sleeve one side is equipped with the fault trough that cuts off the sleeve lateral wall and forms two dilapidated walls that correspond with the fault trough, set firmly along the outside arm lock of extending of dilapidated walls on the sleeve outer wall that corresponds with dilapidated walls, be equipped with corresponding double -layered hole in two arm lock, it has through the arm lock with the collet head clamp bolt on the terminal tightly to press from both sides downthehole cartridge, the wiring board that upwards extends sets firmly on the sleeve opposite side outer wall, the wiring board is connected with the cable through locking device. The advantage is: rational in infrastructure, installation wiring is convenient, and area of contact is big, contact resistance is little, difficultly takes place the overheat