Prefabricated intermediate joint

The invention relates to a prefabricated intermediate joint which comprises an intermediate joint body, a first wiring terminal and a second wiring terminal, the intermediate joint body is of a hollow strip-shaped structure, a connecting port is formed in the middle of the intermediate joint body, a locking hole is formed in one end of the first wiring terminal, and the other end of the first wiring terminal is a cable connecting end; the second wiring terminal is similar to the first wiring terminal in structure, the connecting piece is connected with the locking holes of the first wiring terminal and the second wiring terminal, and the insulating plug is arranged outside the connecting piece in a covering mode and connected to the connecting port. The prefabricated intermediate joint is convenient to mount and dismount and can be mounted without using any special equipment, the two cables are connected through mechanical bolts, the connection is reliable and stable, and large-current passing is met. And the