Electrical pre-embedded structure of light partition wall

The utility model discloses a light partition wall electrical pre-embedded structure which comprises a pre-embedded installation box, a pre-embedded cavity is formed in one side of the pre-embedded installation box, an installation opening is formed in the top end, penetrating through the pre-embedded installation box, of the cavity top of the pre-embedded cavity, inserting grooves are formed in the two opposite inner side walls of the installation opening, and two strip-shaped installation grooves are formed in the top end of the pre-embedded installation box. Strip-shaped limiting grooves are formed in the two opposite inner groove walls of the two strip-shaped mounting grooves correspondingly, sliding blocks are slidably mounted in the two strip-shaped mounting grooves correspondingly, sliding pieces are fixedly mounted on the two opposite side walls of the two sliding blocks correspondingly, and the four sliding pieces are slidably mounted in the corresponding strip-shaped limiting grooves correspondingly