RACO® Octagon Extension Ring, 4 Knockouts, 1/2 in Knockouts, 15.5 cu-in, Steel, Pre-Galvanized, 4 in H x 4 in W x 1-1/2 in D
- 15.5 Cubic inch capacity
- UL Listed
- Extensions rings provide a means for adding additional cubic capacity to a box or as an outlet box for surface conduit
- Not designed for ceiling fan support
- Acceptable for use in 2-hour rated walls and ceilings
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Specification Sheet