Universal electrical outlet box mounting bracket

An electrical outlet box mounting bracket for mounting large size 5S and small size 4S standard electrical outlet boxes with diagonally opposed tabs with screw holes formed therein, the bracket comprising:

• a flat section of material having a cutout pattern formed therein, the cutout pattern having a generally octagonal opening formed therein with a first, a second, a third and a fourth diagonally offset corner, and straight edges therebetween;
• a first, a second and a third closed keyhole slot located inwardly of the first diagonal corner of the bracket, the keyhole slots having a wider end and a narrower slot portion with a terminal end;
• a first, a second and a third open slot located diagonally opposite the keyhole cutouts in the third diagonal corner and opened therein, the open slots having a terminal end therein, the distances between the terminal end of the first closed keyhole slot and the terminal end of the first open slot and between the terminal end of the third closed keyhole slot and the terminal end of the third open slot being about the same as the spacing of screw holes in diagonally opposed tabs of a standard 5S electrical outlet box, and the distance between the terminal end of the second closed keyhole slot and the terminal end of the second open slot being about the same as the spacing of screw holes in diagonally opposed tabs of a standard 4S electrical outlet box;
• and
• a first large hole and a first small threaded hole located inwardly of the second diagonal corner and a second large hole and a second small threaded hole located inwardly of the fourth diagonal corner.