The Raco 4 in. Extension Ring provides additional cubic capacity for a Raco electrical box (sold separately) or can be used as an outlet box for a surface conduit. The extension ring is manufactured in the USA.
- Accommodates and protects wiring devices
- Provides additional cubic capacity for a Raco electrical box
- Pre-galvanized sheet metal construction offers durability
- UL safety listing
- Knockouts break out quickly and cleanly for fast installation
- Note: Product may vary by store.