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Topaz Lighting 4" Round 4-Hole Extension Ring, Copper-Free Aluminum
The Topaz Lighting 4" Round 4-Hole Extension Ring is a weatherproof electrical fitting engineered to expand the cubic capacity of standard 4" round boxes while delivering a clean, flush finish. Fabricated from corrosion-resistant, copper-free aluminum, this extension ring is UL approved for use in wet locations, making it equally suited for commercial and residential installations. It ships complete with gaskets and mounting screws for straightforward, code-compliant installation. Available in gray and backed by Topaz Lighting's lifetime guarantee.
Key Features
- Trade Size: 4" round profile, designed as a companion to standard 4" round electrical boxes to increase cubic capacity.
- 4-Hole Configuration: Four mounting holes provide secure, stable attachment and flexible positioning during installation.
- Durable Construction: Fabricated from copper-free aluminum for excellent corrosion resistance in demanding indoor and outdoor environments.
- Flush Finish: Expands box depth while maintaining a flush surface finish for a professional, finished appearance.
- Complete Installation Kit: Includes gaskets and mounting screws for a ready-to-install, weathertight assembly right out of the package.
- Wet Location Rated: UL approved for use in wet locations, suitable for exposed outdoor and damp-area applications.
- Color: Available in gray to blend with standard electrical enclosures and covers.
Certifications & Compliance
- cULus Listed
- UL Approved for Use in Wet Locations
Technical Specifications
- Refer to manufacturer documentation for complete technical specifications.
Typical Applications
- Expanding cubic capacity of 4" round electrical boxes in commercial and residential wiring systems
- Outdoor and wet-location electrical installations requiring weatherproof fittings
- Conduit and raceway junction box assemblies
- New construction and renovation electrical rough-in work
- Self-merchandising point-of-purchase display environments requiring stocked, readily available fittings
Why Topaz Lighting?
Topaz Lighting manufactures a complete line of cULus listed weatherproof electrical fittings built to last across multiple commercial and residential applications. The copper-free aluminum construction and wet-location UL approval reflect Topaz's commitment to code-compliant, corrosion-resistant performance in the field. Every fitting is backed by Topaz Lighting's lifetime guarantee, giving electrical professionals confidence in long-term reliability.
Manufacturer Resources
Product Specs
- Spec Sheet:
- https://media.distributordatasolutions.com/topaz/2021q3/documents/f6b6df9cf8bc2ed1368268fddcd5d46c407bc3b5.pdf
- list_batch:
- TOPAZ-20260727
- Product Type:
- Conduit & Raceway
- Listing:
- cULus Listed
- Department:
- Electrical
- Product Group:
- Conduit & Raceway
- Product Subgroup:
- Conduit & Raceway
- Product Material:
- Copper-Free Aluminum
- Product Color:
- Gray