An electrical device cover having a base with a wall structure includes of at least a two pairs of opposing walls located perpendicular to each other and an opening in a back side large enough to receive an electrical device. An exterior surface of at least a first wall has at least one rails running perpendicular to a plane in which the back side of the base resides and the base of a detachable hinge component is slidably coupled to the at least one rail. The detachable hinge component further includes at least one hinge member that is parallel to the base of the hinge component and a lid includes at least one hinge tab in which the at least one hinge member seats such the lid is pivotally coupled to the hinge component.