Damage triggering early warning PVC electric power pipe

The invention belongs to the technical field of PVC electric power pipes, and particularly relates to a damage triggering early warning PVC electric power pipe which comprises PVC electric power pipes and a connecting piece, the two sides of the connecting piece are used for being connected with the PVC electric power pipes in an inserted mode, mutual splicing of the multiple PVC electric power pipes is achieved, inner supporting pipes are arranged in the PVC electric power pipes, evenly-distributed vent holes are formed in the PVC electric power pipes in a penetrating mode, and the inner supporting pipes are connected with the PVC electric power pipes in an inserted mode. The connecting piece comprises a connecting pipe, a signal box is fixedly arranged on the side face of the connecting pipe, the two sides of the connecting pipe are provided with an outer connecting ring and an inner connecting ring which are used for clamping and installing the ends of the PVC electric power pipe, a penetrating through hol