4-11/16 in. Life Safety Square Box, Welded, 3-1/4 in. Deep, (4) 1/2 in.- 3/4 in. TKO; (2) 1 in. - 1-1/4 in. TKO; (2) 1 in. - 2 in. Concentric KO; and (2) 3/4 in. - 1 in. TKO; (2) 1/2 in. KO, Red
- Red boxes, covers and extensions for dedicated life safety alarm circuits.
- 911-15 accepts all 4-11/16 in. square covers and mudrings.
- Accepts standard 4-11/16 in. square device and flat covers
- 4-11/16 in. square x 3-1/4 in. deep
- Ground screws provided
- Welded construction
- Painted red