4 Inch Square Concrete Box 3-1/2 Inch Deep 1 Inch Knockouts 52181-1-SPKR (pack of 20)

Product Information

Specification

About:

• This denotes the dimensions and shape of the box. It's a square-shaped box with each side measuring 4 inches.
• This specifies the depth of the concrete box. It means the interior space of the box, from the bottom to the top, measures 3-1/2 inches deep
• This indicates that the box is designed for installation in concrete structures or surfaces.

Also Known As:

4" Square Electrical Box, Electrical Junction Box, 4x4 Electrical Junction Box, 4 Inch Square Outlet Box, 4" Square Electrical Box, 4 Inch Square Junction Box, Square Concrete Junction Box.

Specification:

• Type: Square Concrete Junction Box
• Material: Galvanized Steel
• Product Height: 2.13 Inch
• Product Width: 4.69 Inch
• Side Knockouts: (8) 1"
• Color: Silver
• UPC: 785592126139

Features:

• External tabs allow installer to nail/screw boxes to forms for stability during concrete pour
• Labor saving design eliminates need to install extension rings to accommodate deeper devices
• Raised Ground
• Combination Phillips/Slotted screw heads.