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Steel City 4 Inch EMT Compression Connector - Steel Construction with Zinc Plated Finish
Professional EMT Conduit Connection Solution
Steel City delivers reliable electrical metallic tubing connections with this 4 inch EMT compression connector. Constructed from durable steel with zinc plated finish for corrosion resistance, this connector provides secure, professional-grade connections for EMT conduit systems in commercial and industrial applications.
Professional Features & Benefits
- 4 Inch Size: Accommodates large EMT conduit runs for high-capacity electrical installations and distribution systems.
- Steel Construction: Provides exceptional strength and durability for long-lasting performance in demanding electrical environments.
- Compression Design: Ensures secure, reliable connections that maintain electrical continuity and mechanical integrity.
- Zinc Plated Finish: Offers superior corrosion resistance for extended service life in various environmental conditions.
- UL Listed: Meets UL E16592 standards for safety and performance in electrical installations.
- Professional Grade: Designed for commercial and industrial EMT conduit systems requiring reliable connections.
Technical Specifications
- Country Of Origin: India (IN)China (CN)
- Departmetn: Electrical
- Material: Steel
- Product Group: Conduit & Fittings
- Product Subgroup: Connectors
- Product Type: Electrical metallic tubing EMT connectors
- Product Type2: EMT Conduit Fittings
- Selling Unit Of Measure: each
- Standards: UL E16592
- Surface Finishing: Zinc Plated
Professional Applications
- Commercial Building Electrical Systems
- Industrial Facility Conduit Runs
- Warehouse and Distribution Centers
- Manufacturing Plant Installations
- Large Retail Establishments
- Educational and Healthcare Facilities
- Municipal and Government Buildings
Why Choose Steel City Quality?
Steel City EMT connectors combine robust steel construction with professional-grade zinc plated finishing for reliable performance. UL listed to E16592 standards, these connectors deliver the durability and safety required for demanding electrical installations while maintaining long-term corrosion resistance.
Manufacturer Resources
Product Specs
- Product Group:
- Conduit & Raceway
- Selling Unit Of Measure:
- each
- Product Type:
- Conduit Connector
- Surface Finishing:
- Zinc Plated
- Product Material:
- Steel
- Department:
- Electrical
- Standards:
- UL E16592
- Product Type2:
- EMT Conduit Fittings
- Product Subgroup:
- Conduit Fittings
Steel City TC111A – Frequently Asked Questions
1) What trade sizes do Steel City TC compression EMT connectors come in?
Nine trade sizes: 1/2 inch (TC111A), 3/4 inch (TC112A), 1 inch (TC113A), 1-1/4 inch (TC114A), 1-1/2 inch (TC115A), 2-1/2 inch (TC117A), 3 inch (TC118A), 3-1/2 inch (TC119A) and 4 inch (TC1110A). Note there is no 2 inch in that run, so if your run steps from 1-1/2 to 2-1/2 you will need a 2 inch fitting from another line. Each connector is sold individually, not bagged in fives or tens.
2) Do these connectors work with rigid conduit or only EMT?
EMT only. The TC series is an electrical metallic tubing connector, and the compression gland is sized to EMT's thinner wall and outside diameter. Rigid or IMC is threaded and takes a threaded coupling or a locknut-and-bushing termination, not a compression fitting.
3) Should I use a compression EMT connector or a setscrew connector?
Compression is the one to reach for when the connection needs to be mechanically tight and resist pull-out in commercial and industrial runs, which is what the Steel City TC series is built for. A compression gland grips the full circumference of the tubing rather than biting at one point like a setscrew. Setscrew fittings are the cheaper, faster choice for dry indoor branch work where pull-out is not a concern. Neither type is rated for direct burial or wet locations unless the fitting is specifically listed for it, and these are zinc-plated steel indoor/general purpose fittings.
4) Will a zinc-plated steel EMT connector hold up in a damp mechanical room or parking garage?
The zinc plating on the TC connectors gives corrosion resistance for general commercial and industrial environments, and the body is steel rather than die-cast zinc. For genuinely wet or washdown locations you want a fitting specifically listed as raintight or concrete-tight, so check the application listing rather than relying on the plating alone.
5) Does the Steel City EMT compression connector come with the locknut?
Each connector ships as a complete fitting with its compression nut and gland and the locknut for securing it to the enclosure, sold one per unit. What you supply on the job is the box or panel knockout itself, and an insulated throat means no separate bushing is needed to protect the conductors.
6) Can I standardize a whole facility on one EMT connector line across all conduit sizes?
Yes. The TC series runs from 1/2 inch up to 4 inch under a single UL file, E16592, with the same steel body and zinc plating throughout, so a facility or MRO buyer can spec one line for everything from branch runs to 4 inch feeders. The gap to watch is 2 inch, which is not part of the TC run.
7) What is the country of origin on Steel City TC connectors for a government or public-works submittal?
Steel City lists India and China as the manufacturing origins for the TC compression connector line. If your project carries a domestic-sourcing requirement, that is the detail to raise before the submittal goes in.
How fast can I get the Steel City TC111A 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 TC111A come with a warranty?
Absolutely. The Steel City TC111A 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 TC111A?
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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