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RACO 227 4-Square Steel Outlet Box, 1-1/2" Deep
The RACO 227, also cross-referenced as RAC227, is a 4-Square steel outlet box engineered for dependable junction and outlet wiring in both residential and commercial electrical systems. Constructed of durable steel, this 4" square box provides a rugged, code-familiar enclosure for splicing conductors, mounting devices, and terminating circuits during new construction or remodel rough-in work. The 1-1/2" deep body delivers practical interior volume for wire management without adding unnecessary bulk to wall or ceiling cavities, making it a versatile choice for electricians working in tight framing. As part of the RACO family of steel electrical boxes, the 227 is designed to pair with standard 4-Square covers, mud rings, and device plates for a clean, professional finished installation. Electricians specify RACO steel boxes like the 227 when they need a reliable, standardized enclosure that fits established wiring practices and inspection expectations.
Key Features
- Trade Size: 4" square box footprint sized to standard junction and outlet box openings for straightforward layout and installation.
- Durable Steel Construction: Solid steel body construction offers strength, rigidity, and long-term durability for concealed in-wall and in-ceiling wiring applications.
- Box Depth: 1-1/2" deep profile provides usable interior wiring volume for splices and device connections while keeping the box compact.
- 4-Square Configuration: Industry-standard 4-Square steel box style designed to accept common covers, mud rings, and device mounting plates.
- Model Reference: Cross-referenced as RACO 227 and RAC227 for simple identification, ordering, and inventory matching.
- Rough-In Ready: Steel construction and standard dimensions make this box well suited to new construction and remodel electrical rough-in work.
- Jobsite Durability: Steel housing is built to withstand handling, mounting to framing, and everyday jobsite conditions during installation.
Technical Specifications
- Refer to manufacturer documentation for complete technical specifications.
Typical Applications
- Residential and Commercial Electrical Wiring
- Junction and Outlet Box Installations
- New Construction Electrical Rough-In
- Remodel and Retrofit Wiring Projects
- Device and Fixture Mounting Points
- Concealed Wall and Ceiling Box Applications
Why RACO?
RACO has built a reputation among electrical contractors for steel boxes and fittings that stand up to the demands of daily jobsite use. The RACO 227's steel construction and standard 4-Square, 1-1/2" deep format give electricians a dependable, familiar enclosure that fits established wiring practices, simplifies inspection, and supports a clean finished installation. When you need a steel outlet box that performs consistently on commercial and residential projects alike, RACO delivers the durability and standardization professionals rely on.
Manufacturer Resources
Spec Sheet
Product Specs
- list_batch:
- RACO-20260916
- Product Type:
- Outlet Box
- Department:
- Electrical
- Product Subgroup:
- Electrical Boxes
- Product Group:
- Boxes & Enclosures
RACO RACO227 – Frequently Asked Questions
1) Will the RACO 227 4-square box accept standard mud rings and device covers?
Yes. The RACO 227 is a standard 4-square (4 inch square) steel box, so it takes the common 4S covers, mud rings, and device mounting plates an electrician already stocks. That is the practical reason to use a 4S box over a proprietary shape: the trim side of the job is settled before you open the box.
2) Is 1-1/2 inch deep enough box volume for a receptacle plus a couple of splices?
The 227 runs a 1-1/2 inch deep body, which is the deeper of the two common 4-square depths and gives usable interior room for splices and device connections without eating up a stud or ceiling cavity. If your conductor count is high, do the box fill math for your wire size and jump to a 2-1/8 inch deep 4S instead.
3) Can the RACO 227 steel outlet box be used outdoors or in a wet location?
The RACO 227 is a 4-square steel box intended for concealed in-wall and in-ceiling wiring on residential and commercial rough-in work, so it belongs in dry interior framing. For an exposed exterior device location, a weatherproof box such as the Mulberry Royal Mountie 1-gang die-cast aluminum weatherproof outlet box, or the Thomas and Betts 2IH3-1 Red-Dot 2-gang conduit outlet box with three 1/2 inch hubs, is the right form of enclosure for the job.
4) What should I use instead of a RACO 227 in a hazardous or classified area?
The RACO 227 is a standard 4-square steel outlet box for ordinary interior junction and device wiring. Classified locations call for an explosionproof conduit outlet box instead, such as the Appleton GRJ Series or GRJS Series malleable iron explosionproof conduit outlet boxes, or the Appleton GRT75 malleable iron round conduit outlet box. Those are cast malleable iron conduit bodies rather than a sheet steel box that accepts 4-square covers and mud rings.
5) What is the difference between a RACO 227 steel box and a PVC box like the Cantex EZ?
The 227 is a steel 4-square built for rough-in on framing in both residential and commercial work, and steel is what inspectors expect where a metal raceway system is grounding through the box. The Cantex EZ Series is a PVC multi-gang residential outlet box, which is a nonmetallic choice typically paired with NM cable on houses. If your conduit system relies on the box for ground continuity, use steel.
6) Is RAC227 the same part as the RACO 227?
Same box. RACO 227 is cross-referenced as RAC227, and the manufacturer part number you order against is 227. One model, so there is no finish or depth choice to specify.
7) Can I use the RACO 227 as a straight junction box with a blank cover instead of a device?
Yes, that is one of its intended uses. The 227 works as a junction enclosure for splicing conductors and terminating circuits, or as a device and fixture mounting point, depending on whether you trim it with a flat blank cover or a mud ring. Covers are ordered separately.
8) Is a PVC box a direct substitute for the RACO 227 on a house rough-in?
Not a direct one. The RACO 227 is a 4-square steel box, 1-1/2 inch deep, sized to standard 4 inch square openings and designed to take 4-square covers, mud rings and device plates. The Cantex EZ Series is a PVC multi-gang residential outlet box, so it is a nonmetallic device box in a gang format rather than a 4-square steel enclosure, and it does not take 4-square mud rings.
9) Will a RACO 227 work as the box for a range or dryer receptacle?
The RACO 227 is a general purpose 4-square steel junction and outlet box for splices, device mounting and circuit terminations. A dedicated appliance outlet is usually handled by a purpose-built assembly such as the Pass and Seymour P242RRD thermoplastic range and dryer box, which is built specifically for that receptacle application rather than as a universal 4-square enclosure.
10) If I need conduit hubs rather than knockouts, what box takes the place of the RACO 227?
The RACO 227 is a steel 4-square box for standard rough-in wiring practice. Where threaded hub entries are wanted, a conduit outlet box is the alternative: the Thomas and Betts 2IH3-1 Red-Dot is a 2-gang conduit outlet box with three 1/2 inch hubs, and the Appleton GRT75 is a malleable iron round conduit outlet box.
11) Where do I find the full RACO 227 engineering specs for a submittal?
RACO publishes a spec sheet for the 227 that covers the box's detailed data for submittals and inspection packages. Pull it directly from Hubbell's site at hubbellcdn.com/specsheet/RACO-227-SPEC-EN.pdf.
12) Is the RACO 227 a good fit for remodel work or only new construction?
Both. The 227 is specified for new construction rough-in and for remodel and retrofit wiring, where the 1-1/2 inch depth helps in tight framing. On a remodel the limit is usually access: a steel 4S box mounts to framing, so if you have no stud or joist to fasten to you need a mounting bracket or support rather than this box alone.
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Does the RACO RACO227 come with a warranty?
Absolutely. The RACO RACO227 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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