FM Bracket, 4" Square, Red Alarm Box, Welded, Metallic. Depth: 2-1/8". Side Knockouts: (8) 1/2" & (4) 1/2" & 3/4" TKO (eccentric). Bottom Knockouts: (3) 1/2" & (2) 1/2" & 3/4" TKO (eccentric). Cubic Inches: 30.3". UL Listed for Use in 2 Hour Fire Rated Wa
Product Specification
- FM style bracket
- Combination screw heads allow quick installation
- Welded construction
- Nine 1/2 in. knockouts and Five TKO knockouts
- UL Listed
- 30.3 cu. in. capacity
- Acceptable in 2-hour fire rated walls
