Insulating cover

The utility model discloses an insulating cover. The insulating cover includes an integrally formed insulating cover main body, the insulating cover main body is formed by a first circular sleeve and a second circular sleeve which are connected, the first circular sleeve and the second circular sleeve are hollow, a joint of the first circular sleeve and the second circular sleeve is in a step shape, a front end face of the first circular sleeve is provided with a groove which runs through inner and outer side walls, the diameter of an inner wall of the first circular sleeve is larger than that of an outer wall of the second circular sleeve, two opposite grooves are arranged on an outer wall on the first circular sleeve, the grooves are internally provided with non-slip mats, and a protrusion which encircles the surface is arranged on the second circular sleeve. An antiskid device is arranged on the insulating cover, so that the insulating cover is easier to install during installation, and the protrusion is utilized, on the one hand, installation is facilitated, on the other hand, a function of being away from an electric wire is achieved during installation, and a very good safety effect is achieved.