4 in. Square Extension Ring
Details
- Boxes are used in the installation of ceiling or wall lighting fixtures
- Some Raco covers may serve as fixture support for fixtures up to 50 pounds
- Extension rings provide a means for adding additional cubic capacity or as an outlet box for surface conduit
- Time-saving set-up boxes shorten installation time for lighting fixtures
- Twelve 1/2 in. side knockouts, three per side
- 22.5 cubic inches
- 1-1/2 in. deep
- 4 in. diameter
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