Raco® 273 Concrete Ring, 3-1/2 in L x 4 in W x 3-1/2 in D, Steel

Octagon Box Plaster/Mud Rings
63333 MFG #: 273
Raco®
14.29000 / ea
  • Application: Electrical
  • ARRA Compliant: C
  • Buy American Compliant: C
  • Cable Entry: Knockouts for conduit
  • Capacity: 43 in³
  • Catalog Number: 273
  • Color: Silver
  • Construction: Welded
  • Country of Origin: MX
  • Cubic Capacity: 43.0 in³
  • Currency: USD
  • EU RoHS Indicator: C
  • Finish: Galvanized
  • Gross Volume Per Pack: 78.15
  • Gross Volume per Pack Metric: 1280.68
  • Gross Volume UOM: CI
  • Gross Volume UOM Metric: cm3
  • Gross Weight Per Pack: 0.9100 lb
  • Gross Weight per Pack Metric: 0.41
  • Gross Weight UOM Metric: kg
  • Harmonization Tariff Schedule Code: 7326908688
  • Height: 4.00 in
  • Height [Metric]: 10.1600 cm
  • Knockout Size: 1/2 in, 3/4 in
  • Length [Metric]: 8.8900 cm
  • Mounting: Concrete
  • Mounting Type: Threaded
  • Number of Knockouts: 16
  • Returnable: Y
  • Size: 3-1/2 IN in
  • Standard: UL
  • Standards: UL E195978
  • Type: Concrete ring
  • UNSPSC: 39121303
  • UPC 11: 05016900273
  • UPC 12: 050169002735
  • Width [Metric]: 10.1600 cm
  • Stock Status: NONSTOCK
  • Brand: Raco®
  • Manufacturer: Hubbell
  • Depth: 3-1/2 in
  • Length: 3.50 in
  • Material: Steel
  • Width: 4.00 in
RACO® Concrete Ring, 16 Knockouts, 1/2 in, 3/4 in Knockout, 3-1/2 in Length, 4 in Width, 3-1/2 in Depth, Threaded Mount, 43 cu-in, Steel, Galvanized
QTY
  • Applications
  • Features
Electrical
Flat sides provide excellent contact for locknuts; external ears are used to nail the ring to the wood form; ears on inside of box are for fixtures (not designed for ceiling fan support); waxed fixture ears prevent concrete from interfering with the threads; variety of cover plates are available; cover plate must be ordered separately with all (except 280 which includes a 891 cover)
Flat sides provide excellent contact for locknuts
External ears are used to nail the ring to the wood form
Top cover is removable for before-pour work
Ears on inside of box are for fixtures
Waxed fixture ears prevent concrete from interfering with the threads
Concrete rings are used with poured deck (floor) in high-rise construction
These boxes are installed on wooden or steel concrete forms
After the forms are removed, the box is flush with the concrete
4 in height
Double row of 1/2 in and 3/4 in side knockouts
Conduit wiring system
50 lb fixture recommended load