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RACO 604 Gangable Steel Switch Box, 3 in x 2 in x 3-1/2 in Deep with TS Bracket
The RACO 604 is a gangable steel switch box built for reliable device mounting in commercial and residential wiring installations. Measuring 3 in x 2 in and 3-1/2 in deep, this box features three 1/2 in KO's with integrated AC/MC/Flex clamps for fast armored cable, metal clad, or flexible conduit terminations. A TS bracket allows secure mounting to metal or wood studs, and the box is UL Listed for code-compliant performance.
Key Features
- Trade Size: 3 in x 2 in footprint with a 3-1/2 in deep interior for accommodating device wiring and connections.
- Durable Construction: Steel body (Steel Boxes and Covers) delivers rugged strength for demanding jobsite installation.
- Gangable Design: This box is gangable, allowing multiple units to be joined side-by-side for multi-device installations.
- Knockouts: Three 1/2 in KO's provide multiple entry points for conduit and cable runs.
- Wiring System Compatibility: Built-in clamps accommodate Armored Cable/Metal Clad/MCI-A/Flex wiring systems for fast, secure cable termination without added hardware.
- TS Bracket: Mounting bracket is designed for installation to metal or wood studs, simplifying rough-in framing work.
Certifications & Compliance
- UL Listed
Technical Specifications
- Product Type: Steel Boxes and Covers
- Product Depth: 3.5 in
- Bracket Type: TS, for Metal or Wood Studs
- Wiring System: Armored Cable/Metal Clad/MCI-A/Flex
- Gangable: Yes
- Certified Listed: UL Listed
Typical Applications
- Residential and Commercial Switch/Device Mounting
- Metal or Wood Stud Rough-In Installations
- Armored Cable, Metal Clad, and Flexible Conduit Wiring Systems
- Multi-Gang Device Installations
- New Construction and Renovation Electrical Rough-In
Why RACO?
RACO steel switch boxes are engineered for dependable, code-compliant electrical rough-in work. The 604's gangable steel construction, built-in AC/MC/Flex clamps, and UL Listed rating give electricians a versatile, jobsite-ready box for stud-mounted device installations. Choose RACO for durable steel boxes backed by proven wiring system compatibility.
Manufacturer Resources
Spec Sheet
Product Specs
- list_batch:
- RACO-20260916
- Product Type:
- Switch Box
- Product Depth:
- 3.5 in
- Bracket Type:
- TS, for Metal or Wood Studs
- Wiring System:
- Armored Cable/Metal Clad/MCI-A/Flex
- Gangable:
- Yes
- Certified Listed:
- UL Listed
- Department:
- Electrical
- Product Subgroup:
- Electrical Boxes
- Product Group:
- Boxes & Enclosures
RACO RACO604 – Frequently Asked Questions
1) Can the RACO 604 switch box be mounted to metal studs, or is it wood framing only?
Both. The 604 comes with a TS bracket rated for metal or wood studs, so the same box works on steel-stud commercial partitions and wood-framed residential rough-in. The bracket sets the box at the face of the stud, so no separate mounting strap or stud clip is needed.
2) Will the RACO 604 accept MC cable without separate connectors?
Yes. The 604 has integral clamps for Armored Cable, Metal Clad, MCI-A and Flex, so AC, MC and flexible conduit land straight in the box through the three 1/2 inch knockouts with no added cable connectors. If you are pulling NM cable or running EMT, you would need the appropriate connector instead, since the built-in clamps are specified for the armored and flex family.
3) Can I gang two RACO 604 boxes together for a two-switch install?
Yes, the 604 is a gangable box. The side plates come off and the boxes join side by side, so you can build a 2-gang, 3-gang or wider assembly from single boxes rather than stocking separate multi-gang bodies. Each added box brings its own 1/2 inch knockouts and AC/MC/Flex clamps.
4) How deep is the RACO 604, and will it fit in a 2x4 wall?
The 604 is 3-1/2 inches deep with a 3 in x 2 in face. A nominal 2x4 stud is 3-1/2 inches deep, so the box uses the full stud cavity with the bracket holding it flush to the framing face. If you are working in a 2x3 wall or a furred-out partition, choose a shallower box.
5) What is the closest steel gangable alternative to the RACO 604 switch box?
The Thomas & Betts LXWOWC-25 Steel City Adjust-A-Box is the nearest steel equivalent. It is a 1-gang gangable switch box in pre-galvanized steel, so like the RACO 604 it can be joined side by side for multi-device runs and gives you a steel body for armored or metal clad work. The difference is the Adjust-A-Box design, which lets the box position be adjusted in the wall, while the 604 is fixed by a TS bracket for metal or wood studs and arrives with clamps for Armored Cable, Metal Clad, MCI-A and Flex.
6) Steel gangable box or a non-metallic switch box for steel stud work?
The RACO 604 is steel with integral AC/MC/Flex clamps, which is what you want when the wiring method is armored or metal clad and the raceway has to be bonded through the box. If you are running non-metallic cable on steel studs instead, a non-metallic box such as the Cantex EZ20SB EZ Box 1-Gang Non-Metallic Steel Stud Box is the other approach, and Allied Moulded's P-181 FlexBox is a 1-gang thermoplastic residential switch/receptacle box at 18 cubic inches. Those will not clamp AC or MC.
7) What is the alternative to the RACO 604 if I need to adjust box depth after drywall goes up?
The 604 is a fixed-depth 3-1/2 inch box on a TS bracket, so its setback is determined at rough-in. Where you need to correct for finished wall thickness afterward, the Thomas & Betts LXWOWC-25 Steel City Adjust-A-Box is a 1-gang gangable switch box in pre-galvanized steel built around that adjustment.
8) I need two devices in one opening - should I gang RACO 604 boxes or use a 2-gang box?
Both work. The RACO 604 is gangable, so two boxes can be joined side by side for a two-device opening while keeping a steel body and the built-in Armored Cable, Metal Clad, MCI-A and Flex clamps. If you prefer a single one-piece enclosure, the Allied Moulded 2302-NKV is a 2-gang electrical switch box in fiberglass reinforced construction, which eliminates the gang seam but is a nonmetallic box rather than steel.
9) The RACO 604 TS bracket does not suit my steel stud layout - what else can I use?
The RACO 604's bracket is a TS type for metal or wood studs, which sets the box at a fixed position relative to the stud face. Where that does not land right, the Thomas & Betts LXWOWC-25 Steel City Adjust-A-Box is a 1-gang gangable pre-galvanized steel box whose adjustable design addresses box depth placement in the wall. For nonmetallic steel stud framing, the Cantex EZ20SB EZ Box is a 1-gang box built specifically for steel studs.
10) Which of these boxes should I standardize on for a facility with armored cable branch circuits?
For armored cable or metal clad branch circuits, the steel boxes are the ones to standardize on. The RACO 604 is UL Listed, gangable, 3-1/2 inches deep, and carries built-in clamps rated for Armored Cable, Metal Clad, MCI-A and Flex, so no separate connector hardware is needed at the box. The Thomas & Betts LXWOWC-25 is also a gangable pre-galvanized steel box if you want an adjustable option in the same standard. The Allied Moulded P-181 thermoplastic box and Cantex EZ20SB nonmetallic box are built for different wiring methods.
11) Do I need a separate cover or device plate with the RACO 604?
The 604 ships as the steel box with its TS bracket and integral clamps. The wiring device and the finish wall plate are ordered separately, as is any blank cover if the box is being left as a junction.
12) Where can I get the manufacturer spec sheet for the RACO 604?
RACO publishes a PDF spec sheet for the 604 at hubbellcdn.com/specsheet/RACO-604-SPEC-EN.pdf, which is what to attach for a submittal package. The orderable part number is simply 604.
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Does the RACO RACO604 come with a warranty?
Absolutely. The RACO RACO604 is backed by a manufacturer’s warranty.
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