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RACO 8670 Welded Steel Handy Box, 4 in. x 2 in., 2-1/8 in. Deep
The RACO 8670 is a welded steel handy box built for professional switch and receptacle installations. Measuring 4 in. x 2 in. with a 2-1/8 in. deep body, this compact enclosure gives electricians ample interior volume in a small surface-mount footprint. Eleven 1/2 in. knockouts positioned around the box provide flexible conduit entry from multiple directions, reducing field modifications during rough-in, and the box is UL Listed for code-compliant commercial and industrial wiring work. It ships without a mounting bracket for direct surface installation.
Key Features
- Compact Footprint: 4 in. x 2 in. handy box sizing fits tight surface-mount locations while maintaining a usable interior.
- Deep Body: 2-1/8 in. deep construction provides extra interior volume for device wiring and splices.
- Durable Construction: Welded steel body and seams deliver a rugged, one-piece enclosure that resists flexing and separation compared to drawn or seamless alternatives.
- Eleven 1/2 in. Knockouts: Multiple pre-scored knockout points around the box allow conduit entry from virtually any direction, minimizing on-site drilling.
- No Bracket: Designed without a mounting bracket for direct surface mounting where a bracket accessory is not required.
- UL Listed: Third-party safety listing supports use in code-compliant electrical installations.
Certifications & Compliance
- UL Listed
Technical Specifications
- Product Type: Steel Boxes and Covers
- Product Depth: 2.125 in
- Drawn or Welded: Welded
- Bracket Type: No Bracket
- Certified Listed: UL Listed
Typical Applications
- Surface-Mounted Switch and Receptacle Boxes
- Commercial and Industrial Electrical Installations
- Conduit and Raceway Rough-In
- Renovation and New Construction Wiring
Why RACO?
RACO handy boxes are built with welded steel construction for lasting durability on the jobsite, and the UL Listing on this box supports reliable, code-compliant performance for professional electrical work. With eleven 1/2 in. knockouts and a 2-1/8 in. deep body, the 8670 gives installers a dependable, no-bracket enclosure ready for direct surface mounting.
Manufacturer Resources
Spec Sheet
Product Specs
- list_batch:
- RACO-20260916
- Product Type:
- Outlet Box
- Product Depth:
- 2.125 in
- Drawn or Welded:
- Welded
- Bracket Type:
- No Bracket
- Certified Listed:
- UL Listed
- Department:
- Electrical
- Product Subgroup:
- Electrical Boxes
- Product Group:
- Boxes & Enclosures
RACO 8670 – Frequently Asked Questions
1) Will a RACO 8670 handy box hold a single switch or receptacle with conduit coming in from more than one side?
Yes. The 8670 is a 4 x 2 inch handy box with eleven 1/2 inch knockouts spaced around the body, so you can bring conduit in from the sides, ends, or back without drilling in the field. The 2-1/8 inch depth gives you room for the device plus splices behind it.
2) Does the RACO 8670 come with a mounting bracket, or do I surface mount it directly?
It ships with no bracket. The 8670 is meant to be fastened directly to the surface you are mounting on, so if you need a bracket for stud or joist mounting you will want a bracketed handy box instead.
3) Can a RACO 8670 handy box be used outdoors on an exterior wall?
The RACO 8670 is a welded steel handy box intended for surface-mounted switch and receptacle work in commercial and industrial interiors; it is UL Listed but is not a weatherproof enclosure. For an exposed exterior wall, the Mulberry Royal Mountie weatherproof outlet box is a 1-gang die-cast aluminum box built for wet-location use. Use the 8670 where the opening is dry and inside.
4) What should I use instead of a RACO 8670 in a hazardous or classified location?
The RACO 8670 is a standard welded steel handy box and carries a UL Listing for general code-compliant wiring, not an explosionproof rating. In a classified area, the Appleton GRJ Series explosionproof malleable iron conduit outlet box or the Appleton GRJS Series universal explosionproof malleable iron box is the correct family. Keep the 8670 for ordinary locations.
5) What is the difference between a welded handy box and a drawn one?
The 8670 is welded, meaning the body and seams are joined rather than formed from one pressed piece. Welded construction resists flexing and seam separation when you are pulling conduit or torquing a device into place. Drawn boxes are seamless but typically lighter duty.
6) Is the RACO 8670 UL Listed for commercial electrical work?
Yes, the 8670 steel handy box is UL Listed, which is what inspectors look for on commercial and industrial surface-mount switch and receptacle installs.
7) Do I need a separate cover for the RACO 8670?
Yes. The 8670 is the box only, with no bracket and no cover included. Order a handy box cover sized for a 4 x 2 inch box, either blank or cut for the switch or receptacle you are installing.
8) Would a PVC or plastic box work instead of the RACO 8670 steel handy box?
Only if your install allows nonmetallic. The 8670 is steel and suits conduit and raceway rough-in where a metal raceway system needs continuity. For nonmetallic residential work, the Cantex EZ Series PVC multi-gang residential outlet box is the alternative; for a range or dryer outlet, Pass and Seymour's P242RRD thermoplastic range and dryer box is purpose-built.
9) Is a Thomas & Betts Red-Dot 2IH3-1 a substitute for the RACO 8670?
They are different form factors. The RACO 8670 is a 4 in. x 2 in. single-gang handy box, 2-1/8 in. deep, with eleven 1/2 in. knockouts you open as needed. The Thomas & Betts 2IH3-1 Red-Dot is a 2-gang conduit outlet box with three 1/2 in. hubs already formed, sold in a pack of 100. Choose the Red-Dot when you need two devices and threaded hubs rather than knockouts.
10) Should I use a RACO 8670 or a PVC box for residential rough-in?
The RACO 8670 is a welded steel handy box for direct surface mounting without a bracket, which suits exposed conduit and raceway work. For concealed residential rough-in behind drywall, the Cantex EZ Series PVC multi-gang residential outlet box is the nonmetallic alternative. Steel pairs with conduit runs; PVC suits nonmetallic cable in wood framing.
11) When would I pick a round conduit outlet box over a RACO 8670?
The RACO 8670 is rectangular, 4 in. x 2 in. and 2-1/8 in. deep, for mounting a switch or receptacle on a flat surface. Where you need a pull or junction point on a conduit run rather than a device opening, the Appleton GRT75 malleable iron round conduit outlet box is the round-body option. The 8670 remains the choice when a device has to land in the box.
12) Is there a spec sheet for the RACO 8670 handy box?
Yes, RACO publishes a spec sheet for the 8670 at hubbellcdn.com (RACO-8670-SPEC-EN.pdf). Order by manufacturer part number 8670.
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Does the RACO 8670 come with a warranty?
Absolutely. The RACO 8670 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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