3 in deep 4-11/16 in junction boxes with (4) 1-1/4 in side knockouts and (2) 1/2 in & (2) 3/4 in bottom knockouts are larger boxes that are installed when larger sized conductors are required. They are great for industrial applications. Garvin’ 3 in deep 4-11/16 in boxes provide extra volume for wiring and devices. Red painted boxes are also available to easily distinguish fire alarm boxes.








