Buy America(n) Qualified
3-3/4 in. Life Safety Square Box, Welded, 3-1/2 in. Deep, with Knockouts, FM Bracket, Red
OR
3-3/4 in. Life Safety Square Box, Welded, 3-1/2 in. Deep, Fourteen 1/2 & 3/4 in. Concentric KO's & One 1/2 in. KO, FM Bracket, Red
- Welded steel construction with "FM" bracket that mounts on flat side of stud
- 3-3/4 in. square x 3-1.2 in. deep
- 3-3/4 in. opening in wall allows for margin of error when using a 4 in. square cover
- Accepts 4 in. square covers and mud rings
- Painted red for dedicated life safety alarm systems
- Large capacity design accommodates oversized devices
- Supplied with fourteen 1/2-3/4 in. Concentric KO's and one 1/2 in. KO
- 40.5 cu. in. capacity
- Acceptable for use in 2-hour fire rated walls