Concrete Rings & Covers

Octagon Concrete Box, 3-1/2" Deep - Welded W/ Conduit KO's

SKU: OCR-350341 Model: OCR-350341
Octagon concrete boxes are used in poured concrete construction. They are installed on wooden or steel concrete forms, once the forms are removed the boxes and conduit are buried in concrete and the end is open to the room wall or ceiling, ready for wire pulling.

Features & Benefits

  • Extra long external mounting tabs allow easy installation by nailing or screwing the boxes to wooden or steel concrete forms
  • Knockouts are sealed against box surface to prevent concrete slurry and water from entering the box
  • The top covers are removable allowing any before-pour work (sold separately)
  • UL, RoHS Compliant


Stock # OCR-350341 OCR-350341
Model # OCR-350341 OCR-350341
UPC # 785592991911 785592991911
Product Height 1.22 3.10 inch cm
Product Width 1.62 4.11 inch cm
Product Length/Depth 1.02 2.59 inch cm
Product Weight 0.88 0.40 lbs kg
Weight UOM LB LB
Box Depth 3-1/2" 3-1/2"
Color Silver Silver
Cubic Capacity 43.0 (704.6) 43.0 (704.6)
Knockouts (4) 3/4 in. and (4) 1 in. Side Knockouts (4) 3/4 in. and (4) 1 in. Side Knockouts
Size 3-1/2 in. Box Depth 3-1/2 in. Box Depth