5-1/2" Solid Base Fixture Box, 500/700 Series Raceway, White

Used to hang fixtures. Cover accepts devices with mounting screw centers of 2 3/4", 3 1/2", and 4 1/16" (70mm, 89mm, and 103mm). Base has four holes for fixture studs, four 1/2" trade size KOs, and raised section for no-bolt fixture-stud. Use as a junction or pull box with 5736 Blank Cover. Outside diameter 5 1/2" (140mm).