SWC 52191-3/4 4 Sq Junct bx 4" Dp (

4 in square extra deep junction boxes with (8) 3/4 in side knockouts and (2) 1/2 in & (2) 3/4 in bottom knockouts are installed in walls and ceilings where extra depth is needed for dimmers cameras speakers strobes signals and other electrical and electronic devices. Garvin' labor saving design eliminates the need to awkwardly install boxes to accommodate deep devices.