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RACO 943 4-Gang Welded Steel Box, 2-1/2 in. Deep
RACO 943 is a 4-Gang welded steel outlet box engineered for commercial and industrial wiring applications that require durable, code-compliant enclosures. Manufactured 2-1/2 in. deep, this UL Listed steel box provides generous interior volume for mounting multiple wiring devices and managing conductors within a single enclosure. The box is equipped with eight 3/4 & 1 in. concentric knockouts, six 1/2 in. knockouts, and eight 3/4 in. knockouts, giving electricians a wide range of conduit entry options to match job-specific raceway sizes. The welded, one-piece steel construction forms a rigid body that resists deformation during installation, making the RACO 943 a dependable choice for demanding new-construction and renovation projects.
Key Features
- Trade Size: Box body measures 2-1/2 in. deep, providing ample interior space for device mounting and conductor fill in multi-gang applications.
- Durable Construction: Welded steel body construction creates a rigid, one-piece enclosure engineered to withstand jobsite handling, rough-in installation, and long-term service in commercial and industrial settings.
- Concentric Knockouts: Eight 3/4 & 1 in. concentric knockouts let installers select the conduit size needed at each entry point without requiring a separate box for different raceway diameters.
- 1/2 in. Knockouts: Six 1/2 in. knockouts are provided for smaller conduit runs or cable connections where a compact entry point is preferred.
- 3/4 in. Knockouts: Eight additional 3/4 in. knockouts add further raceway entry points around the perimeter of the box for flexible routing.
- 4-Gang Configuration: The 4-Gang layout is sized to accommodate multiple wiring devices in a single enclosure, streamlining installations that call for grouped switches, receptacles, or controls.
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 Installations
- Multi-Gang Wiring Device Enclosures
- Conduit and Raceway Systems
- New Construction and Renovation Projects
Why RACO?
RACO builds the 943 4-Gang box with welded steel construction for a durable, rigid enclosure designed to perform in demanding commercial and industrial environments. The combination of concentric 3/4 & 1 in. knockouts, 1/2 in. knockouts, and 3/4 in. knockouts gives contractors the flexibility to match conduit entries to the job at hand, while UL Listing confirms the box meets recognized safety standards. For electricians who need a dependable, code-compliant 4-Gang enclosure, the RACO 943 delivers consistent quality backed by a well-established name in electrical boxes.
Manufacturer Resources
Product Specs
- Product Type:
- Outlet Box
- list_batch:
- RACO-20260916
- Certified Listed:
- UL Listed
- Department:
- Electrical
- Product Subgroup:
- Electrical Boxes
- Product Group:
- Boxes & Enclosures
RACO RACO943 – Frequently Asked Questions
1) What depths does the RACO 943 4-gang welded steel box come in?
Two depths are offered: the 943 at 2-1/2 inches deep and the 954 at 1-5/8 inches deep. Go with the 2-1/2 inch 943 when you are stacking four devices plus conduit conductors and need the extra interior volume for box fill; the shallower 954 is the choice when wall cavity or furring depth will not take a full 2-1/2 inch body.
2) What conduit sizes can I land on a RACO 943 4-gang box?
Entries cover 1/2, 3/4 and 1 inch raceway. The box has eight 3/4 and 1 inch concentric knockouts, six 1/2 inch knockouts, and eight additional 3/4 inch knockouts. The concentrics mean you knock out only the ring you need, so one box handles a mix of 1/2, 3/4 and 1 inch runs without ordering a different body.
3) Can I put four switches or receptacles in one RACO 943 box?
That is what it is built for. The 4-gang welded steel body is sized to carry four wiring devices in a single enclosure, which is how you group switches, receptacles or control devices at one opening instead of ganging separate boxes together. At 2-1/2 inches deep there is room for the device bodies and the conductors behind them.
4) What should I use instead of the RACO 943 in a hazardous or explosionproof location?
The RACO 943 is a UL Listed welded steel 4-gang outlet box for commercial and industrial wiring, but it is a standard steel enclosure, not a hazardous-location fitting. For explosionproof work, Appleton's GRJ Series and GRJS Series conduit outlet boxes are explosionproof malleable iron designs built for that duty. Those are conduit outlet boxes rather than multi-gang device enclosures, so the device layout will differ from a 4-gang box.
5) Should I use a welded steel box or a PVC box for a multi-gang install?
Welded steel, like the RACO 943, is the commercial and industrial answer: one-piece rigid body that takes rough-in abuse and threaded or clamped conduit entries, and it is UL Listed. If the job is residential nonmetallic cable work, a PVC multi-gang box such as the Cantex EZ Box is the normal pick instead. For damp or outdoor locations neither applies, you want a weatherproof box like the Mulberry Royal Mountie die-cast aluminum unit.
6) Does the RACO 943 box come with a cover or device plate?
The 943 is the box body only. Knockouts, conduit fittings, covers and the device plate are separate line items, so order the cover and connectors you need for the raceway sizes you are landing (1/2, 3/4 or 1 inch).
7) Is there a weatherproof alternative to the RACO 943 for an outdoor device?
For a single exterior device, the Mulberry Royal Mountie is a weatherproof die-cast aluminum 1-gang outlet box. The RACO 943 is a welded steel 4-gang box, 2-1/2 in. deep, intended for commercial and industrial interior rough-in, so it is the choice when you need four devices grouped in one enclosure rather than one protected outdoor outlet.
8) If I only need a shallower 4-gang steel box, is there an option besides the 2-1/2 in. deep RACO 943?
Yes. The RACO 4-gang welded steel box is offered in a 2-1/2 in. depth as part number 943 and a 1-5/8 in. depth as part number 954, so a shallow stud or furring cavity can be served without moving to a different box family or losing the welded steel body.
9) Is the Pass & Seymour P242RRD range and dryer box a substitute for the RACO 943?
No. The Pass & Seymour P242RRD is a thermoplastic range and dryer box built around a single high-amperage appliance outlet. The RACO 943 is a UL Listed welded steel 4-gang outlet box, 2-1/2 in. deep, for grouping multiple switches, receptacles or controls in one enclosure on conduit systems. The two serve different device applications and are not interchangeable.
10) When would a round conduit outlet box like the Appleton GRT75 be used rather than the RACO 943?
The Appleton GRT75 is a malleable iron round conduit outlet box, suited to a pull or junction point on a conduit run or a single round-mounted fitting. The RACO 943 is a rectangular welded steel 4-gang box, 2-1/2 in. deep, sized to mount multiple wiring devices in one enclosure. Choose the round iron box for a conduit junction; choose the 943 when four devices share the opening.
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Does the RACO RACO943 come with a warranty?
Absolutely. The RACO RACO943 is backed by a manufacturer’s warranty.
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