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

Specifications:

Height: 4 Inch
Width: 4 Inch
Depth: 3-1/2 Inch
Material: Zinc Plated Steel
Mounting: Wall/Ceiling
Knockout Location: (4) Sides
Number of Knockouts: 4
Knockout Size: (4) 1/2 and 3/4 Inch Side
Approval: UL, CUL