Safety warning device for electrical engineering

The utility model discloses a safety warning device for electrical engineering, which relates to the technical field of electrical engineering construction and comprises a bottom plate, the upper surface of the bottom plate is fixedly connected to one end of a telescopic rod, the output end of the telescopic rod is fixedly connected to the lower surface of a supporting plate, and a clamping mechanism is arranged on the upper surface of the supporting plate; the clamping mechanism comprises fixing rods symmetrically arranged about the center line of the supporting plate, a plurality of through holes are formed in the fixing rods, push rods are slidably connected into the through holes, the ends, away from the fixing rods on the other sides, of the push rods are fixedly connected with limiting pieces, and fixing assemblies used for adapting to warning boards of different sizes are arranged below clamping blocks. When warning boards of different sizes are clamped, the cup head screws are adjusted to change the d