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Hubbell Wiring SystemOne CFBS1R4 Series Adjustable Floor Boxes Recessed

Mfg #: CFBS1R4PFB
BOR #: 3464006
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Concrete Floorboxes, Recessed, PVC Box, 4" CFBS1R4 Series, 5.00" Minimum Depth of Pour

  • Corrosion-Resistant PVC Recessed 4" Round Floorbox
  • For Use In Concrete Floors
  • 5.00" Minimum Depth of Pour
  • Box Includes Installation Cover
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Product can be ordered only in multiples of
Brand Hubbell Wiring  
Floor Box Mounting Type Recessed  
Diameter 4.00 in  
Hub Size (Fraction) 2  
Depth (Fraction) 6 in  
Depth 6.00 in  
Diameter (Fraction) 4 in  
Width (Fraction) 7-17/20 in  
Cubic Capacity 67.00 inĀ³  
Width 7.85 in  
For Use With Concrete Floors  
Material PVC  
Knockouts Without Knockouts  
Type Floor Box  
WDK_CATALOG_2024_FULL.pdf Catalog
WDK_O-17_CatalogPage.pdf Catalog
Hubbell Wiring Specification Sheet Specification Sheet
WDK_O-16_CatalogPage.pdf Catalog
WIRING_PD2676_INSTALLINST.pdf Installation and Instruction Manuals
SystemOne Recessed Floor Boxes

These floor boxes are the only floor boxes in the market that allow for consistent aesthetics with...

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