Abstract: A set of cover 2 and support 3 for electric devices 4 comprising an intermediate support 1—on which frame 40 of the electric device 4 is mounted—and an decorative outer cover 2 with an inner frame 3, both mountable on the previously mentioned intermediate support 1. The frame 40 of the electric device 4 is mounted on the intermediate support 1; the decorative inner frame 3 is engaged in the decorative outer cover 2. The set protects the electric device 4 and the assembly opening 5. The decorative outer cover 2 and the inner frame 3 can be independently exchanged to vary the external appearance of the set.