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Concrete Ring, Welded, 2-1/2" Deep, 1/2 & 3/4" KO's

  • SKU: OCR-250
  • Extra long external mounting tabs allow an easy installation by nailing or screwing the boxes to wooden or steel concrete forms. Knockouts are sealed against box surfact to prevent concrete slurry and water from entering the box.
  • This octagon concrete box is used in poured concrete construction. It is installed on wooden or steel concrete forms. Once the forms are removed, the box and conduit is buried in concrete and the end is open to the room wall or ceiling, ready for wire pulling.
  • Carton Quantity: 25
  • UPC Code Ea.: 840550700001
  • UPC Code Carton: 840550707635
  • Certification: UL Listed
Availability:

1000 in stock


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MaterialGalvanized Steel
Weight ea.0.033 lbs
Carton Quantity25
Carton Dimensions12.6 × 12.6 × 8.27 in
UPC Code Ea.840550700001
UPC Code Carton840550707635
HTS Code8536.90.8530
Cubic Inches30.8
Side KO's(4) 1/2" & (4) 3/4"
Depth2-1/2"
Also Known AsConcrete rings, concrete boxes, mud boxes, mud rings, deck boxes, high-rise floor boxes, octagon concrete rings, concrete box rings, mud box ring
ManufacturerPart Number
AmmoAR271
Crouse HindsTP622
EGS Appleton0CR212
Hubbell Raco271
Orbit25CB
SouthwireOCR-250
Steel City54541-1/2&3/4
T&B54541-1/2&3/4