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ABB Thomas & Betts Adjust-A-Box® Residential Drop-in Rectangular Flush Service Floor Boxes Metallic 1 Gang Flush

Mfg #: B121BFBR
BOR #: 149756
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The Carlon adjustable residential floor box provides the customer with a clean, attractive duplex outlet and is specifically designed for residential applications. The new residential floor box provides an alternative to commercial-looking products.

  • Provides a clean, aesthetically pleasing duplex floor outlet.
  • The Carlon Adjustable Residential Floor Box is ideal for home office remodeling, as well as new construction
  • The adjustable floor box has a full 21 cubic inch capacity, and comes complete with the nonmetallic cover plate, duplex receptacle, integral molded cable clamps, mounting bracket, and all necessary hardware
  • To install, simply cut an opening in the floor at the desired location
  • Next, mount the proper bracket to either the underside of the floor, or to the adjacent floor joist
  • By turning the adjustment clockwise or counterclockwise, the box can be raised or lowered to the proper floor height
  • The included receptacle and wire are then installed in accordance with the local electrical code
  • Finally the cover plate is attached to the installed assembly
  • Adjusts to most finished floor heights (From 0 in. to 1 3/4 in.)
  • 2 hour floor fire classification cUL E42728 listed
  • UL scrub water tested
  • UL listed
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Product can be ordered only in multiples of
Brand ABB  
Length 3.65 in  
Floor Box Configuration (1) Duplex Receptacle  
Floor Box Mounting Type Flush  
Number of Gangs 1 Gang  
Depth (Fraction) 3-33/100 in  
Depth 3.33 in  
Width (Fraction) 2-1/4 in  
Color Ivory  
Cubic Capacity 20.00 in³  
Width 2.24 in  
For Use With Wood Subfloors  
Includes Box, Duplex Receptacle, Cover, Clamps & Hardware  
Material Brass  
Material Style Metallic  
Knockouts Without Knockouts  
Length (Fraction) 3-13/20 in  
Type Floor Box  
ABB Thomas & Betts Specification Sheet Specification Sheet

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