RACO 692 Electrical Box, 47.8 cu in, Masonry Box Type, 3 Gangs, Steel,

3-Gang Masonry Box, Nongangable, 2-1/2 in. Deep, Thirteen Concentric KOs

Rugged welded design does not fall apart during construction.
Available from one to six gang configurations in both 2-1/2" and 3-1/2" depths.
Rectangular shape fits square cuts in block.
Large volume design allows for additional work room inside the box.
Standard 1/2" and 3/4" concentric knockouts.
Device ears inside the box prevent mortar from getting in the device holes.
Steel voltage partition #971 fits all 2-1/2" or 3-1/2" depths.
Standard wall plates can be used.
Device ears are formed inside the box
Rectangular shape neatly fits square cuts in concrete block, 3-3/4 in. x 5-19/32 in
47.8 cu. in. capacity
UL listed