SWC 54181-TBAR 4" Oct T-BrBx T Wr4

3-1/2 in deep 4 in octagon boxes with (2) 1/2 in side knockouts and (3) 1/2 in & (2) 3/4 in bottom knockouts are used on ceiling tiles to adjust boxes to a perfect position when installing ceiling lighting fixtures fans convenience junction boxes or devices. Garvin' octagon boxes are made with a versatile combination head screw that can securely fasten a conduit to an electrical junction box using a slotted Phillips or Robertson head screw driver. They also come with labor saving installation and mounting tabs that align with most lighting fixtures.