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RACO 942 3-Gang Welded Steel Outlet Box, 2-1/2 inch Deep
The RACO 942 is a 3-Gang welded steel outlet box built for commercial and industrial electrical rough-in work. Constructed from welded steel and measuring 2-1/2 inch deep, this box is UL Listed and engineered with a versatile knockout configuration to accept a wide range of conduit and cable entries, including six 3/4 & 1 inch concentric knockouts, six 1/2 inch knockouts, and twelve 3/4 inch knockouts. This rugged steel box is well suited for device mounting, junction, and outlet applications in exposed or concealed wiring systems where a durable 3-Gang enclosure is required.
Key Features
- Box Depth: 2-1/2 inch deep body provides ample interior volume for multi-gang device and conductor fill.
- Durable Construction: Welded steel body forms a rigid, seamless enclosure that resists deformation during handling and installation.
- One-Piece Welded Body: Welded seams eliminate gaps for a strong, tamper-resistant enclosure suitable for demanding jobsite conditions.
- Configuration: 3-Gang design accommodates multiple devices in a single enclosure.
- Concentric Knockouts: Six 3/4 & 1 inch concentric knockouts allow flexible conduit sizing at a single entry point.
- Standard Knockouts: Six 1/2 inch knockouts and twelve 3/4 inch knockouts provide additional conduit and cable entry options.
- Listing: UL Listed for standard commercial and industrial wiring installations.
Certifications & Compliance
- UL Listed
Technical Specifications
- Product Type: Steel Boxes and Covers
- Product Depth: 2.5 in
- Certified Listed: UL Listed
Typical Applications
- Commercial and Industrial Electrical Rough-In
- Multi-Gang Device and Switch Installations
- Device Mounting and Junction Point Wiring
- Conduit and Raceway Wiring Systems
- New Construction and Renovation Projects
Why RACO?
RACO steel boxes are built with welded construction for long-term durability on the jobsite. The 942's UL Listed rating and generous six 3/4 & 1 inch concentric, six 1/2 inch, and twelve 3/4 inch knockout configuration make it a dependable choice for electricians who need a rugged, code-compliant 3-Gang box. The welded, one-piece steel body resists warping and damage during shipping and installation, helping ensure a square, reliable enclosure on every job. Backed by RACO's reputation for rugged electrical products, this welded steel box is engineered to perform reliably in demanding commercial and industrial environments.
Manufacturer Resources
Spec Sheet
Product Specs
- list_batch:
- RACO-20260916
- Product Type:
- Outlet Box
- Product Depth:
- 2.5 in
- Certified Listed:
- UL Listed
- Department:
- Electrical
- Product Subgroup:
- Electrical Boxes
- Product Group:
- Boxes & Enclosures
RACO RACO942 – Frequently Asked Questions
1) Will the RACO 942 3-gang steel box accept 1 inch conduit, or do I have to step down to 3/4?
Both work. The 942 has six concentric knockouts that open to either 3/4 or 1 inch, so you pick the size at the entry point without changing boxes. On top of those there are twelve 3/4 inch knockouts and six 1/2 inch knockouts for additional conduit or cable runs.
2) How deep is the RACO 942 box, and is that enough for three devices plus wire fill?
The body is 2-1/2 inches deep, which is the deeper end of the standard steel gang box range and gives you more interior volume for three devices and their conductors than a shallower 1-1/2 or 2-1/8 inch box. Depth is what buys you the cubic inches, so for crowded multi-gang device boxes with several circuits passing through, the 2-1/2 inch body is the one to spec.
3) Is the RACO 942 welded or is it a gangable box I can split apart?
It is a one-piece welded steel box, not a sectional gangable box. The 3-gang size is fixed, so you cannot break it down to two gangs or add a fourth. The upside is a rigid enclosure with no seams to open up when it gets knocked around in a chase or during backfill. If you need the flexibility to change gang count on site, use gangable sectional boxes instead.
4) Can the RACO 942 be used outdoors, or is a weatherproof box needed?
The RACO 942 is a welded steel box intended for exposed or concealed wiring in commercial and industrial rough-in, not a weatherproof enclosure. For a wet-location single device, the Mulberry Royal Mountie weatherproof outlet box is die-cast aluminum in a 1-gang configuration. The Thomas and Betts 2IH3-1 Red-Dot is a 2-gang conduit outlet box with three 1/2 inch hubs for threaded conduit entries. Neither offers the 942's 3-gang device capacity.
5) What should be used instead of the RACO 942 steel box in a hazardous or explosionproof location?
The RACO 942 is a welded steel outlet box, UL Listed for standard commercial and industrial wiring installations, and is not an explosionproof enclosure. For classified hazardous areas, the Appleton GRJ Series explosionproof conduit outlet box is malleable iron and built for that duty, as is the Appleton GRJS Series universal explosionproof malleable iron conduit outlet box. Those are threaded conduit outlet bodies rather than multi-gang device boxes, so device capacity differs from the 3-gang 942.
6) Is the RACO 942 UL Listed for a commercial inspection?
Yes, the 942 steel outlet box is UL Listed, which is what an inspector looks for on a commercial or industrial rough-in.
7) Steel or PVC for a 3-gang device box on a residential remodel?
Steel like the RACO 942 is the choice where you are running EMT or metal raceway and need the box to serve as part of a bonded metallic system, or where the box is exposed to abuse. For residential nonmetallic cable work, a PVC multi-gang box such as the Cantex EZ Series is the simpler, lighter route. The 942 is built around conduit and cable entries for commercial and industrial rough-in.
8) Does the RACO 942 come with a cover or device plate?
The 942 is the box body only. Covers, blank plates, mud rings and device plates are separate items, so order the 3-gang cover or ring that matches your device and wall finish along with the box.
9) Is a range and dryer box a substitute for the RACO 942 3-gang box?
No. The Pass and Seymour P242RRD is a thermoplastic range and dryer box, purpose-built to house a single high-amperage appliance receptacle. The RACO 942 is a welded steel 3-gang outlet box with six 3/4 and 1 inch concentric knockouts, six 1/2 inch knockouts and twelve 3/4 inch knockouts, used for multi-gang device mounting, junction and outlet work. They serve different applications and are not interchangeable.
10) What is the exact part number to order the RACO 3-gang 2-1/2 inch deep steel box?
Order RACO model 942. That is the manufacturer part number for the 3-gang welded steel outlet box at 2-1/2 inch depth.
11) Can the RACO 942 be used as a junction box rather than a device box?
Yes. With 2-1/2 inches of depth and 24 knockouts across three sizes, the 942 works as a junction or pull point in a conduit and raceway system as readily as it does a 3-gang device box. Cap the unused openings with knockout seals and fit a blank cover.
12) For a single round fixture or junction point instead of a 3-gang box, what is the alternative to the RACO 942?
The Appleton GRT75 is a malleable iron round conduit outlet box, suited to a single round outlet or junction point on threaded conduit. The RACO 942 is a 2-1/2 inch deep welded steel 3-gang box whose interior volume is sized for multi-gang device and conductor fill, so it is the choice when more than one device lands in the same enclosure.
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Does the RACO RACO942 come with a warranty?
Absolutely. The RACO RACO942 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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