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By Raco 

Collection Name:  LIFE SAFETY

Catalog ID: 911-1

By Raco
Collection Name:  LIFE SAFETY
Catalog ID:  911-1
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

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Product Details


Bracket Setback 1.25
Bracket Type FM, for Metal or Wood Studs
Color Red
Drawn or Welded Welded
Fire Resistance Yes
Knockouts 1/2 in;1/2 - 3/4 in Concentric
Material Steel
  • Box
  • Large Capacity
UPC 050169091111
Wiring System Conduit


Actual Depth 3.5 in
Cubic Capacity 45.0 cu.in
Depth 3.5 in
Height 7.625 in
Raised Ground No
Weight 1.426 lb
Width 4.125 in

Certifications and Compliance

Certified Listed UL Listed


Carton Quantity 10
Packaging Type No Packaging
Pallet Quantity 600

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