Thomas & Betts EMT Compression...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$5.97
Thomas & Betts EMT Compression Connector, Zinc-Plated Steel

Thomas & Betts EMT Compression Connector, Zinc-Plated Steel

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Model: TC116A

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

$5.97
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Thomas & Betts 5221 3/4" EMT Compression Connector, Zinc-Plated Steel

The Thomas & Betts 5221 is a 3/4" EMT compression connector engineered to join Electrical Metallic Tubing (EMT) conduit securely to boxes, panels, and enclosures. Built from steel and finished with a zinc-plated (EZINC) coating for added corrosion resistance, the 5221 uses a compression-style connection that compresses evenly around the conduit for a firm, dependable mechanical hold. Unlike a set-screw connector, the compression method helps provide a secure grip on the EMT conduit without relying on a screw that could work loose over time. It is a practical choice for electricians and contractors who need a reliable 3/4" EMT termination for commercial, industrial, and residential wiring projects.

Key Features

  • Trade Size: 3/4" connector sized for use with 3/4" EMT conduit runs.
  • Durable Steel Construction: A steel body provides the strength and rigidity needed to withstand everyday handling and installation on the jobsite.
  • Compression-Style Connection: The compression design creates a tight, uniform grip around the EMT conduit, helping maintain a secure connection once installed.
  • Connection Type: A compression-style connection method distinguishes the 5221 from set-screw connectors, providing a secure hold without a screw that could loosen over time.
  • Zinc-Plated (EZINC) Finish: A zinc-plated finish helps protect the steel body against corrosion, supporting long-term performance across a range of installation environments.
  • EMT Compatibility: Purpose-built for 3/4" EMT conduit, ensuring a proper fit and secure termination at boxes, panels, and enclosures.
  • Straightforward Installation: The compression connector design allows installation with standard hand tools, helping streamline conduit terminations on the jobsite.

Technical Specifications

  • Refer to manufacturer documentation for complete technical specifications.

Typical Applications

  • Commercial and Industrial Electrical Installations
  • EMT Conduit and Raceway Systems
  • Panel, Box, and Enclosure Conduit Terminations
  • New Construction and Renovation Wiring Projects
  • Residential and Light Commercial EMT Runs
  • Concealed and Exposed EMT Conduit Runs

Why Thomas & Betts?

Thomas & Betts manufactures the 5221 EMT compression connector from steel with a zinc-plated (EZINC) finish, delivering the dependable, corrosion-resistant construction electrical professionals rely on for a compression-style EMT termination. With its steel body and protective zinc-plated finish, the 5221 is built to withstand the rigors of everyday electrical installation work while resisting corrosion over time. Choose Thomas & Betts for conduit connectors built to perform reliably in commercial, industrial, and residential electrical installations.

Manufacturer Resources

Spec Sheet

Product Specs

Department:
Electrical
Product Material:
Steel
Product Type:
Conduit Connector
Product Group:
Conduit & Raceway
Product Subgroup:
Conduit Fittings

Thomas & Betts TC116A – Frequently Asked Questions

1) What trade sizes does the Thomas & Betts EMT compression connector come in?
Two trade sizes are offered: 3/4 inch (part number 5221) and 2 inch (part number TC116A). Order by the EMT trade size you are terminating, since the connector body is sized to that specific tubing diameter and there is no adjustment range.
2) Will this connector work on rigid conduit or IMC instead of EMT?
No. The 5221 is built for Electrical Metallic Tubing only. EMT has a thinner wall and a different outside diameter than rigid or IMC at the same trade size, so a compression EMT connector will not seat correctly on threaded rigid or IMC. For those, use a threaded rigid/IMC coupling or connector instead.
3) Should I use a compression connector or a set-screw connector for my EMT run?
Compression is the choice when you want the fitting to hold without depending on a screw that can back out over time. The Thomas & Betts 5221 compresses a ring evenly around the tubing for a uniform mechanical grip at the box, panel, or enclosure. Set-screw connectors go in faster and cost less, but they bite on one point and rely on that screw staying tight. For exposed runs, damp locations, or anywhere the raceway takes vibration or handling, electricians generally specify compression.
4) Is the Thomas & Betts 5221 EMT connector suitable for outdoor or damp locations?
The body is steel with a zinc-plated (EZINC) finish for corrosion resistance, which is standard for exposed indoor and general industrial work. A zinc-plated compression connector is not the same thing as a raintight or concrete-tight listed fitting, so if your installation requires a wet-location rating, specify a fitting carrying that listing.
5) Do I need a separate locknut to mount this EMT connector to a box or panel?
Compression connectors in this style come with the compression nut and ring for the tubing side, and the threaded hub with a locknut for the enclosure side. The connector goes through the knockout and tightens against the box wall with standard hand tools, no threading of the EMT required. Match the knockout size to the trade size you order: 3/4 inch for the 5221, 2 inch for the TC116A.
6) Is this the right fitting for standardizing EMT terminations across a facility?
It works well for that. Keeping one connection method, compression, across a building means crews carry one tool set and every termination behaves the same way on inspection. Thomas & Betts offers the same zinc-plated steel compression connector in 3/4 inch (5221) and 2 inch (TC116A), so feeders and branch raceways can be terminated with the same style of fitting.
How fast can I get the Thomas & Betts TC116A 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 Thomas & Betts TC116A come with a warranty?
Absolutely. The Thomas & Betts TC116A 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 Thomas & Betts TC116A?
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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