Protection device for external wire of electrical equipment

The invention relates to the technical field of electrical equipment and discloses a protection device for an external wire of the electrical equipment. The device comprises a plurality of installation frames, a pressing assembly and a supporting assembly, wherein the installation frames are fixedly arranged on the ground and provided with through holes in the horizontal direction so that electric wires can penetrate through the through holes, and the installation frames are provided with through holes vertically communicated with the upper ends of the through holes; every two adjacent mounting frames are opposite to each other and are arranged at an interval of a preset distance so that the two through holes are positioned on the same straight line; the pressing assembly is slidably arranged in the through hole in the vertical direction and partially protrudes out of the through hole, and the pressing assembly is configured to be capable of moving up and down to clamp or loosen the electric wire; the support