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RACO 165 Steel Octagon Box, Drawn, 4 in. x 2-1/8 in. Deep, Nine 1/2 in. KO's
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RACO 130 Drawn Steel Octagon Extension Ring, 4 in. x 1-1/2 in. Deep
The RACO 130 Octagon Extension Ring extends the depth of an existing 4 in. octagon box, giving electricians extra wiring space without replacing the original box. Formed from drawn steel, this extension ring measures 4 in. in diameter and 1-1/2 in. deep, and it is fitted with two 1/2 in. and two 3/4 in. knockouts (KO's) for flexible conduit entry. The ring carries no mounting bracket, making it a direct add-on to an installed box, and it is cULus Listed for use in conduit wiring systems.
Key Features
- Trade Size: 4 in. octagon extension ring provides additional depth for existing box installations.
- Depth: 1-1/2 in. deep design adds usable interior volume without a full box replacement.
- Durable Construction: Drawn steel body offers a rigid, one-piece extension ring built for demanding electrical work.
- Knockouts: Two 1/2 in. and two 3/4 in. KO's accommodate multiple conduit sizes entering the box.
- Bracket Type: No Bracket design mounts directly to the existing octagon box for a clean, low-profile extension.
- Wiring System: Engineered for conduit wiring systems in commercial and residential electrical work.
Certifications & Compliance
- cULus Listed
Technical Specifications
- Product Type: Steel Boxes and Covers
- Product Size: 4 in
- Product Depth: 1.5 in
- Drawn or Welded: Drawn
- Bracket Type: No Bracket
- Wiring System: Conduit
- Knockouts: 1/2 in;3/4 in
- Certified Listed: cULus Listed
Typical Applications
- Extending Existing 4 in. Octagon Boxes
- Ceiling and Wall Electrical Box Retrofits
- Conduit and Raceway Wiring Systems
- Commercial and Residential Electrical Installations
- Junction and Outlet Box Depth Additions
Why RACO?
RACO builds this 130 extension ring from drawn steel for a durable, one-piece construction that stands up to demanding job-site conditions. With its cULus Listed rating and precise 4 in. by 1-1/2 in. deep dimensions featuring two 1/2 in. and two 3/4 in. knockouts, it delivers a reliable, code-compliant way to add wiring capacity to existing octagon box installations without a full box replacement.
Manufacturer Resources
Spec Sheet
Product Specs
- list_batch:
- RACO-20260916
- Product Type:
- Steel Boxes and Covers
- Product Size:
- 4 in
- Product Depth:
- 1.5 in
- Drawn or Welded:
- Drawn
- Bracket Type:
- No Bracket
- Wiring System:
- Conduit
- Knockouts:
- 1/2 in;3/4 in
- Certified Listed:
- cULus Listed