Thomas & Betts CXV Steel City ...
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$15.12

Thomas & Betts CXV Steel City Adjust-A-Box 1-Gang Gangable Switch Box, Pre-Galvanized Steel, 2-Inch x 3-Inch x 3-1/2-Inch

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Model: TBCXV

In Stock (leaves warehouse same day if ordered before 3pm ET)

$15.12
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Thomas & Betts Steel City Adjust-A-Box 1-Gang Gangable Switch Box, Pre-Galvanized Steel

The Thomas & Betts Steel City Adjust-A-Box is a 1-Gang gangable switch box built from Pre-Galvanized Steel for long-lasting corrosion resistance on the job site. Sized at 2-Inch x 3-Inch x 3-1/2-Inch with an 18-Cubic-Inch interior capacity, this device box gives electricians ample room for devices, connectors, and conductor fill in everyday switch and outlet wiring. Engineered as part of the Adjust-A-Box gangable system, it gangs together with additional boxes to build custom multi-gang assemblies on the job site without cutting or reconfiguring the box. The familiar gem-box profile referenced in the Steel City outlet box line also makes this box suitable for outlet as well as switch installations, giving contractors one versatile part number to stock for both applications. Pre-Galvanized Steel construction stands up to the handling, transport, and in-wall service that commercial and residential electrical rough-in demands.

Key Features

  • Compact Dimensions: Measures 2-Inch x 3-Inch x 3-1/2-Inch, sized to fit standard stud and framing layouts for switch and outlet locations.
  • 18-Cubic-Inch Capacity: Interior volume sized to accommodate devices, wire connectors, and conductor fill for single-gang wiring layouts.
  • Gangable Adjust-A-Box Design: 1-Gang box sections gang together side-by-side, allowing electricians to build multi-gang device assemblies from a single box style.
  • Durable Pre-Galvanized Steel Construction: Steel body resists corrosion from moisture and handling, providing a rigid, code-ready mounting platform for switches and receptacles.
  • Gem-Box Profile: Manufactured to the familiar gem-box footprint used across the Steel City outlet box line, suiting both switch and outlet installations.
  • Steel City Brand Engineering: Produced under the Steel City product line from Thomas & Betts, a name electrical contractors have relied on for device box hardware.

Technical Specifications

  • Refer to manufacturer documentation for complete technical specifications.

Typical Applications

  • Residential and Commercial Switch and Outlet Wiring
  • New Construction Electrical Rough-In
  • Remodel and Retrofit Device Installations
  • Multi-Gang Device Box Assemblies
  • Standard Junction and Device Box Applications
  • Wall and Partition Device Mounting

Why Thomas & Betts?

Thomas & Betts manufactures the Steel City Adjust-A-Box line with Pre-Galvanized Steel construction built to stand up to the rigors of daily jobsite handling and long-term service inside walls and ceilings. The gangable 1-Gang design gives electricians the flexibility to configure single- or multi-gang device boxes from one consistent part, reducing the number of SKUs needed on a truck or in a supply house bin. Backed by the Steel City name within the Thomas & Betts electrical portfolio, this Adjust-A-Box switch box delivers the fit, finish, and corrosion resistance that professional electricians expect from code-ready device boxes. Choose Thomas & Betts for dependable, gangable electrical boxes suited to both switch and outlet applications.

Manufacturer Resources

Product Specs

list_batch:
TB-20260918
Product Type:
Switch Box
Department:
Electrical
Product Subgroup:
Electrical Boxes
Product Group:
Boxes & Enclosures
Application:
For use with armored/metal clad cable
Product Color:
Silver
Standards:
UL E2969
Product Material:
Steel

Steel City TBCXV – Frequently Asked Questions

1) Can the Steel City CXV switch box be ganged to make a 2-gang or 3-gang box?
Yes. The CXV is a 1-gang gangable Adjust-A-Box, so the sides come apart and the box sections bolt together side by side to build 2-gang, 3-gang or wider device assemblies on site. No cutting or reworking the box is needed, which is why one part number covers single and multi-gang device locations.
2) How many wires and devices can an 18 cubic inch steel switch box hold?
The CXV has an 18 cubic inch interior, which is the volume you use for NEC box fill when counting conductors, clamps, and the device. It is sized for normal single-gang switch or receptacle wiring with connectors inside. If your fill calculation runs past 18 cubic inches, gang a second box rather than forcing it.
3) Will the CXV box work with MC cable or armored cable?
Yes, the CXV is intended for use with armored/metal clad cable. That is the stated application for the box, so it suits typical commercial MC rough-in as well as general switch and outlet wiring.
4) What should I use instead of the Steel City CXV switch box for an outdoor or wet location device?
The CXV Adjust-A-Box is a pre-galvanized steel gangable device box intended for in-wall switch and outlet rough-in, not for exposed exterior use. For a weatherproof single-gang device location, the Mulberry Royal Mountie weatherproof outlet box is a die-cast aluminum 1-gang box built for that duty. Keep the CXV for interior stud-wall device boxes and use the Royal Mountie where the box sits on an exterior surface.
5) Is there a non-metallic alternative to the Thomas & Betts CXV steel box for residential wiring?
Yes. The CXV is a steel-bodied box with an 18-cubic-inch single-gang interior that gangs together to build multi-gang assemblies. If you want a non-metallic option, the Cantex EZ Series is a PVC multi-gang residential outlet box. The practical difference is material and bonding: the steel CXV provides a metal mounting platform suited to armored and metal-clad cable, while the PVC Cantex body is non-conductive.
6) Can I use the Steel City CXV box in a hazardous or classified area?
No. The CXV Adjust-A-Box is a standard pre-galvanized steel device box for ordinary-location switch and outlet rough-in. For classified areas, the Appleton GRJ Series and GRJS Series are explosionproof malleable iron conduit outlet boxes, and the Appleton GRT75 is a malleable iron round conduit outlet box. Those are threaded conduit boxes rather than gangable stud-mounted device boxes, so the wiring method changes with them.
7) What size is the Steel City CXV gem box?
It measures 2 x 3 x 3-1/2 inches, the familiar gem-box footprint used across the Steel City outlet box line. That depth means it needs a stud or framing cavity deep enough to take a 3-1/2 inch box, so it is a new-construction and open-wall part rather than a shallow retrofit box.
8) Is the CXV box UL listed, and is the steel galvanized?
The box carries UL E2969 and is built from pre-galvanized steel for corrosion resistance in handling, transport and in-wall service. Finish reads silver.
9) Should I use a steel gangable box or a PVC box for residential device wiring?
Steel is the choice when you are running armored or metal clad cable, since the box needs to be part of the metal grounding path, and the CXV is specified for MC/AC cable. If you are running NM cable in a house and want multi-gang in one piece, the Cantex EZ Series PVC multi-gang residential outlet box is the nonmetallic alternative. The trade-off is flexibility: the steel CXV lets you decide gang count on site, where a PVC box is fixed at the gang count you bought.
10) Is a conduit outlet box with threaded hubs the same thing as this gangable device box?
No, and they are not interchangeable. The CXV is a pre-galvanized steel in-wall device box for switches and receptacles. A box like the Thomas & Betts 2IH3-1 Red-Dot 2-gang conduit outlet box has threaded 1/2 inch hubs for exposed conduit runs. If your conduit terminates in threaded hubs, the device box will not accept it.
11) What is the difference between the Steel City CXV and the Thomas & Betts 2IH3-1 Red-Dot box?
Both carry the Thomas & Betts name but serve different installs. The CXV is a 1-gang gangable Adjust-A-Box, 2 inch by 3 inch by 3-1/2 inch with 18 cubic inches, designed to be ganged side by side inside a wall. The 2IH3-1 is a Red-Dot 2-gang conduit outlet box with three 1/2 inch hubs, supplied in a pack of 100, and takes threaded conduit directly into the body rather than cable into knockouts in a stud bay.
12) Will the CXV switch box work for a range or dryer receptacle?
No. The CXV is an 18-cubic-inch 1-gang device box sized for standard switches and receptacles. A range or dryer outlet needs a box built for that device and its conductor fill, such as the Pass & Seymour P242RRD range and dryer box in thermoplastic. Use the CXV for general switch and outlet locations and the P242RRD at the appliance outlet.
13) I need a two-gang box - do I buy two CXV boxes or a factory 2-gang box?
Either approach works depending on the wiring method. The CXV is built as a gangable Adjust-A-Box, so two sections gang together side by side to form a 2-gang device assembly in a stud wall without cutting or reconfiguring the box. If the run is threaded conduit rather than cable, a one-piece 2-gang conduit box like the Thomas & Betts 2IH3-1 Red-Dot with three 1/2 inch hubs handles that connection method instead.
14) Is the CXV a switch box or an outlet box?
Both. It is catalogued as an outlet box and sold as a switch box, because the gem-box footprint takes either a switch or a receptacle. One part number covers both locations on a rough-in.
15) What part number do I order for the Steel City Adjust-A-Box 1-gang gangable box?
Order Thomas & Betts Steel City model CXV. That single model covers the 1-gang pre-galvanized steel gangable box at 2 x 3 x 3-1/2 inches with 18 cubic inch capacity; there are no finish or size options to specify.
How fast can I get the Steel City TBCXV delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Steel City TBCXV come with a warranty?
Absolutely. The Steel City TBCXV is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Steel City TBCXV?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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