Wiring device for electric power engineering

The utility model relates to an electric power engineering wiring device comprising a housing and a cover body. Line pipes are arranged on the two side walls of the shell. Conical guide grooves are formed in the two inner walls of the shell; the section of the conical guide groove is gradually enlarged in the direction away from the line pipe. Two sliding assemblies are arranged in the shell; the sliding assembly comprises a first sliding way and a sliding block. A through hole is formed in the sliding block; a plurality of second wedge blocks which are arranged at intervals are arranged on one side of the sliding block; a connecting piece is arranged on the sliding block; the connecting piece comprises two second sliding ways and two supporting pieces detachably arranged on the second sliding ways and used for separating the two sliding blocks. According to the utility model, the structural design is reasonable, the two separable supporting blocks are designed in the shell, the conical guide groove on the in