Masonry Box, Type: Block-Loc , 1-Gang, 3-1/2 Inch Depth, Non-Gangable, Side Knockouts: (4) 1/2 and 3/4 Inch Concentric, End Knockouts: (4) 1/2 and 3/4 Inch Concentric, Bottom Knockouts: (2) 1/2 and 3/4 Inch Concentric, Welded, Cubic Inches: 22.5, Steel
Product Specification :
- Integral brackets securely hold box to concrete block from front and back in masonry block walls, even in irregular openings
- TKO Knockouts allow for design and installation flexibility
- Suppied with ten 1/2-3/4 in.TKO knockouts
- Quick and accurate positioning
- Break off front tabs
- Non-gangable
- 22.5 cu. in. capacity
- Acceptable for use in 2-hour fire rated walls
- N/A