MSB Bracketed Boxes

PowerGrip™ MSB metal stud bracketed boxes are designed from special spring steel to allow for quick and easy tool-free installation in new work, steel stud applications.  The PowerGrip™ family is available with the most complete offering of boxes to meet customer needs and preferences, including: shallow and deep 4” and 4-11/16” square boxes for use with conduit, armoured/metal-clad cable and non-metallic sheathed cable.  Also available in red boxes for fire alarm applications.

Size 4" and 4-11/16" Square
Depth 1-1/2" or 2-1/8"
Material Steel
Construction Drawn or welded


  • Center bracket hole provides clear visibility to mark lines on the stud
  • Added score line for optional removal of near-side portion for installation next to door jam
  • Top and bottom bracket holes accommodate low profile mounting screw, if desired
  • Far side support (included) snaps onto box and provides solid, secure far side support in 2-1/2" to 4" studs
  • Tool-free installation
  • Mounts on either side of the stud
  • Accepts standard plaster and tile rings
  • Available with optional ground screw and 8" solid ground pigtail