The utility model discloses a portable draws termination mainly includes the control head, can replace first insulating bar and switch lever, the control head through horizontal bracing piece throughthe adjustable elbow joint by hand twisting nut control with can replace first insulating bar and be connected, the switch lever is installed and to be replaced first insulating bar lower part, switchlever connection control asks for, the control cord on through horizontal bracing piece the work support connnection and control the control head. The utility model discloses a form of switch joystick control binding clip will be tested the wiring mode and change " machine switching system " into by " overhead driver moves the wiring ". Overall, the utility model has the characteristics of the universalization of convenientization, automatic and experimental equipment, basically, primary equipment upper portion wiring problems such as main change in experimental, switch, current transformer,voltage transformer have been solved. Consequently, popularize and apply the utility model discloses can improve site operations's safety condition and technical conditions, shorten the power off time, improve, improve the security and the service reliability of work.