Insulated outlet box with grounding strap

Claim 1

AN INSULATED ELECTRICAL OUTLET BOX FOR SUPPORTING AN ELECTRICAL DEVICE HAVING AT EACH END RIGID OPPOSITELY-EXTENDING COPLANAR METAL MOUNTING ELEMENTS, COMPRISING AN OPEN-TOP BOX MOLDED OF INSULATING MATERIAL AND INCLUDING HORIZONTAL BOTTOM AND VERTICAL SIDE WALLS, OPPOSITELY DISPOSED UPPER EDGE PORTIONS OF SAID SIDE WALL CONTAINING DOWNWARDLY EXTENDING BORES ADAPTED TO RECEIVE FASTENING SCREWS BY MEANS OF WHICH THE MOUNTING ELEMENTS OF SAID ELECTRICAL DEVICE ARE FASTENED AGAINST THE EDGE SURFACES OF SAID SIDE WALL PORTIONS, RESPECTIVELY, SAID BOTTOM WALL CONTAINING A THROUGH SLOT ARRANGED ADJACENT ONE OF SAID SIDE WALLS IN THE VERTICAL PLANE PASSING THROUGH SAID BORES, THE LOWER SURFACE OF SAID BOTTOM WALL CONTAINING A RECESS COMMUNTICATING WITH THE SLOT AND DEFINING A SHOULDER HAVING A DOWNWARDLY FACING SURFACE; AND AN ELECTRICALLY CONDUCTIVE GROUND STRAP MOUNTED IN SAID BOX, SAID GROUND STRAP INCLUDING A VERTICAL PORTION CONTIGUOUS WITH THE INNER SURFACE OF SAID ONE SIDE WALL ADJACENT THE BORE THEREIN, A FIRST HORIZONTAL PORTION EXTENDING OUTWARDLY FROM THE UPPER END OF SAID VERTICAL PORTION ACROSS THE UPPER EDGE OF SAID ONE SIDE WALL AND THE BORE CONTAINED THEREIN, SAID FIRST HORIZONTAL PORTION CONTAINING AN APERTURE IN REGISTRY WITH SAID BORE FOR RECEIVING SAID FASTENING SCREW, SECOND HORIZONTAL PORTION EXTENDING FROM THE LOWER END OF SAID VERTICAL PORTION OVER THE BOTTOM WALL ABOVE THE SLOT THEREIN, SAID SECOND HORIZONTAL PORTION CARRYING MEANS WITHIN THE BOX FOR THE ATTACHMENT THERETO OF THE GROUND WIRE OF AN ELECTRICAL CABLE, AND A BENDABLE TONGUE PORTION STRUCK DOWNWARDLY FROM SAID STRAP, SAID TONGUE PORTION EXTENDING DOWNWARDLY THROUGH SAID SLOT AND TERMINATING IN AN END PORTION BENT INTO LOCKING ENGAGEMENT WITH SAID SHOULDER SURFACE, WHEREBY SAID TONGUE AND SAID FIRST HORIZONTAL PORTION FASTEN SAID GROUND STRAP AGAINST VERTICAL MOVEMENT IN THE BOX.