Lead lap joint fitting insulating cover convenient to operate without power failure

The invention discloses an uninterruptible operation convenient lead lap joint fitting insulating cover, which overcomes the problems of low construction efficiency and low safety caused by the fact that a lead lap joint fitting cannot perform live-line operation under the condition of no special protection in the prior art, and comprises an insulating shell, the left side and the right side of the insulation shell are respectively provided with a main line protection device and a branch line protection device, a drainage body and a locking device are installed in the insulation shell, the locking device is installed on the drainage body, and an eyebolt protection device is installed below the insulation shell. The insulating protective shell is matched to realize independent installation of the main/branch wires, the safety protection degree is high, the lead lapping is reliable, the energy is saved, the environment is protected, and the operation is convenient; and the insulating protective cover adopts an