Patent ID: 8378232

Claim:
A convertible electrical floor box assembly comprising: a non-metallic floor box comprising a base plate, a perimetrical side wall having an interior side and an exterior side and extending between the base plate and a top edge to define an interior, an open top, one or more openings in the perimetrical side wall for accessing the interior, and at least one mating structure on the exterior side of the perimetrical side wall; and a metallic outer box comprising a base plate, a perimetrical side wall having an interior side and extending between the base plate and a top edge to define an interior, an open top, one or more apertures in the perimetrical side wall for accessing the interior and at least one mating structure extending inwardly from the interior side of the perimetrical side wall; wherein the non-metallic floor box is adapted for installation in a concrete floor, or wherein the non-metallic floor box and the metallic outer box are used together as an assembly and are adapted for installation in a concrete floor and wherein, when the non-metallic floor box and the metallic outer box are used as an assembly, the non-metallic floor box is received in the interior of the metallic outer box and the mating structure of the non-metallic floor box engages the mating structure of the metallic outer box.