Line protection device for electrical engineering

The utility model discloses a line protection device for electrical engineering, comprising a cable box, the lower end of the cable box is provided with a base, the upper end of the base is provided with mounting grooves in parallel, two sides of the cable box are inserted in the mounting grooves, two sides of the cable box are provided with a plurality of dismounting grooves, two sides of the base are provided with a plurality of dismounting holes, and dismounting rods are inserted in the dismounting grooves and the dismounting holes. A connecting block is arranged on one face of the cable box, a connecting groove is formed in the other face of the cable box, a fixing groove is formed in the connecting block, a fixing hole is formed in the upper end of the inner wall of the connecting groove, and fixing rods are inserted into the fixing groove and the fixing hole. The dismounting grooves are formed in the two sides of the cable box, the cable box is inserted into the mounting groove in ...