Crouse-Hinds 2-1/2" Gangable S...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,000.00
$4.39
Eaton Crouse-Hinds 2-1/2" Gangable Steel Switch Box, 12.5 Cubic Inch

Crouse-Hinds 2-1/2" Gangable Steel Switch Box with Ears - 12.5 Cubic Inch Capacity

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Model: CRS-TP178

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

$1,000.00
$4.39
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Crouse-Hinds 2-1/2" Gangable Steel Switch Box with Ears - 12.5 Cubic Inch Capacity

Professional electrical enclosure for versatile wiring applications

The Crouse-Hinds 2-1/2" Gangable Steel Switch Box delivers reliable electrical enclosure performance with 12.5 cubic inch capacity and durable steel construction. Designed for ordinary/non-hazardous locations, this gangable switch box features integrated ears for secure mounting and multiple knockout configurations for flexible conduit connections. The steel construction ensures long-lasting durability while AC/MC clamps provide secure cable management for professional installations.

Professional Features & Benefits

  • 12.5 Cubic Inch Capacity: Provides ample space for wire connections and electrical components in standard applications
  • Gangable Design: Allows multiple boxes to be connected together for expanded installation flexibility and multi-gang configurations
  • Steel Construction: Delivers superior durability and protection for long-term electrical system reliability
  • Multiple Knockout Options: Features bottom, end, and side 1/2" knockouts plus 2 cable knockouts for versatile conduit routing
  • Integrated Ears: Provides secure mounting points for stable installation in walls and electrical panels
  • AC/MC Clamp Compatibility: Ensures proper cable management and secure connections for armored cable installations
  • NEC/CEC Compliance: Meets National Electrical Code and Canadian Electrical Code standards for professional installations

Technical Specifications

  • Area Classification: Ordinary/Non-Hazardous Locations
  • Bottom Knockouts: (1) 1/2 in
  • Cable Knockouts: 2
  • Capacity: 12.5 cubic in
  • Conduit Cable: AC/MC clamps
  • Depth: 2-1/2"
  • End Knockouts: (1) 1/2 in
  • Product Details: Gangable
  • Product Height: 3 in
  • Product Length Depth: 2 in
  • Product Material: Steel
  • Product Width: 2.5 in
  • Side Knockouts: (1) 1/2 in
  • Special Features: Ears
  • Standards Type: NEC/CEC

Professional Applications

  • Residential electrical installations and renovations
  • Commercial building electrical systems
  • Industrial facility wiring projects
  • Multi-unit residential properties
  • Professional office electrical upgrades
  • Retail establishment electrical work
  • Educational facility electrical systems

Why Choose Crouse-Hinds Quality?

Crouse-Hinds delivers proven electrical enclosure solutions with steel construction and NEC/CEC compliance for reliable performance. The gangable design and multiple knockout configurations provide installation flexibility while maintaining the durability and safety standards expected from professional electrical components.

Manufacturer Resources

Product Specs

Area Classification:
Ordinary/Non-Hazardous Locations
Bottom Knockouts:
(1) 1/2 in
Cable Knockouts:
2
Capacity:
12.5 cubic in
Conduit Cable:
AC/MC clamps
End Knockouts:
(1) 1/2 in
Product Details:
Gangable
Product Height:
3 in
Product Length Depth:
2 in
Product Material:
Steel
Product Width:
2.5 in
Side Knockouts:
(1) 1/2 in
Special Features:
Ears
Standards Type:
NEC/CEC
Product Depth:
2-1/2"
Department:
Electrical
Product Type:
Switch Box
Product Subgroup:
Electrical Boxes
Product Group:
Boxes & Enclosures

Crouse-Hinds CRS-TP178 – Frequently Asked Questions

1) Can I gang two or three Crouse-Hinds TP switch boxes together for a multi-gang wall plate?
Yes. The box is a gangable design, so the side plate comes off and boxes screw together side by side to build 2-gang, 3-gang or wider assemblies. Each box adds its own 12.5 cubic inches of fill, which is usually the reason to gang rather than cram a single box.
2) Will a 2-1/2 inch deep steel switch box fit in a 2x4 stud wall?
Yes. At 2-1/2 inches deep it sits inside a nominal 2x4 stud, which gives 3-1/2 inches of actual depth, so the box faces out with room behind it. Overall the box is 3 inches high, 2.5 inches wide, with a 2 inch length depth figure also listed. In a 2x4 wall with thick furring or a shallow chase, measure first.
3) Which bracket version should I order, and what is the 5/8 inch "S" bracket for?
Three bracket choices: Standard, Hold-tite, and "S" set 5/8 inch. The 5/8 inch setback on the "S" bracket positions the box front flush with 5/8 inch drywall, which is the common thickness in commercial and fire-rated assemblies. Order the Standard or Hold-tite where you are setting the box to a different finish thickness or fastening by nails through the bracket. Part numbers run TP178 (Standard), TP179 (Hold-tite) and TP184 ("S", 5/8 inch).
4) Can I land MC cable in this box without buying separate connectors?
Yes. The box comes with AC/MC clamps built in and two cable knockouts, so armored and metal-clad cable terminates in the box directly. For conduit runs there are also 1/2 inch knockouts: one in the bottom, one in the end, and one in the side.
5) Is this switch box rated for a hazardous or classified location?
No. The Crouse-Hinds gangable steel switch box is for ordinary, non-hazardous locations only. Do not use it in a Class I or Class II classified area, a spray booth, or a fuel-handling room; those need an explosionproof enclosure, not a sheet steel switch box.
6) I need more wiring volume than a 12.5 cubic inch switch box gives me. What should I use instead?
The Crouse-Hinds gangable box is 2-1/2 inches deep with a 12.5 cubic inch capacity, measuring 3 inches high by 2.5 inches wide. When conductor fill pushes past that, step to a 4 inch square box such as the RACO 232MS welded box in the STAB-iT series, which is 2-1/8 inches deep and rated 600V. The 4 inch square footprint gives you a larger wiring compartment for the same single or two-device opening when paired with a raised device cover.
7) What do the ears on this gangable switch box do, and do I still need a bracket?
The ears are the tapped mounting tabs at the top and bottom of the box front. They let you screw the box directly to a stud face or to a plaster ring, and they also carry the 6-32 device screws that hold the switch or receptacle. Separate from that, the box is offered with a standard bracket, a Hold-tite bracket, or an "S" bracket set 5/8 inch, so pick the bracket style that matches how you are fastening to framing and your finish wall thickness.
8) What should I use instead of a gangable steel switch box in a metal stud wall or outdoors?
For metal stud framing, the Cantex EZ20SB EZ Box is a 1-gang non-metallic box made specifically for steel studs, which saves you fitting a bracketed steel box to a stud track. For an exposed or wet-location device, the Thomas & Betts Red-Dot 2IH3-2 is a 2-gang box with three 3/4 inch hubs. And if you need more wire volume for several cables and a couple of devices, a 4 inch square box such as the RACO 232MS, 2-1/8 inch deep, gives you more room than a 12.5 cubic inch switch box.
9) Is a steel switch box the right choice for a commercial tenant fit-out, or should I run non-metallic?
Steel is the one to use where the wiring method is conduit or MC cable, which covers most commercial and institutional work. The steel body bonds to the raceway and takes the AC/MC clamps directly, and the box meets NEC/CEC. Non-metallic boxes like the Cantex EZ20SB are the alternative where you are pulling NM cable in residential or light-commercial steel stud partitions and do not need a metallic equipment ground path through the box.
10) For a two-gang device opening, is the Red-Dot 2IH3-2 a direct substitute for two of these gangable boxes?
Not a direct one. The Crouse-Hinds box is gangable, so two single boxes join to form a two-device opening with 1/2 inch bottom, end, and side knockouts and AC/MC clamps on each. The Thomas and Betts Red-Dot 2IH3-2 is a one-piece 2-gang RT box with three 3/4 inch hubs, sold in packs of 100. It gives a two-gang opening, but as a single threaded-hub enclosure rather than two ganged steel switch boxes, so conduit sizing and device-cover selection differ.
How fast can I get the Crouse-Hinds CRS-TP178 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 Crouse-Hinds CRS-TP178 come with a warranty?
Absolutely. The Crouse-Hinds CRS-TP178 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 Crouse-Hinds CRS-TP178?
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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