The invention discloses a warning sign for electric power equipment. The warning sign for electric power equipment comprises a bottom plate and a supporting rod, one side of the bottom plate is weldedwith a supporting rod, a fixed cone is welded to the bottom of the supporting rod, fixed frames are symmetrically welded to the bottom end of the outer side of the supporting rod, screw bolts are connected the top of the fixed frames in a screwing mode, and triangular protective frames are welded to the four corners of one side of the bottom plate. First clamping columns are welded to the inner portion of the triangular protective frames at the four corners of one side of the bottom plate. According to the warning sign for electric power equipment, the bottom plate is connected with a circular sign by a first two-head spring hook, and the bottom plate is connected with a rectangular sign by a second two-head spring hook. The first two-head spring hook and the second two-head spring hook are both detachable structures, the function of replacing different signs can be met, the structure of the sign is improved, and the scope of application of the warning sign for electric power equipment is expanded.