Bridgeport Fittings Mighty-Mov...
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$75.45

Bridgeport Fittings Mighty-Move Steel Expansion Couplings for EMT with 2" Lateral Movement

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Model: EC-075

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

$75.45
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Bridgeport Fittings Mighty-Move Steel Expansion Couplings for EMT with 2" Lateral Movement

Professional thermal expansion management for EMT conduit systems

Bridgeport Fittings Mighty-Move Steel Expansion Couplings provide essential thermal expansion management for EMT conduit installations. These professional-grade steel couplings with zinc electroplate finish allow up to 2" of lateral movement in either direction, preventing thermal stress damage while maintaining secure conduit connections. The NEMA FB-1 rated design assembles like a regular EMT set screw coupling for familiar installation procedures.

Professional Features & Benefits

  • 2" Lateral Movement Capacity: Allows EMT conduit to move up to 2" in either direction, accommodating thermal expansion and contraction cycles effectively.
  • Steel Construction with Zinc Electroplate: Durable steel material with protective zinc finish ensures long-term corrosion resistance and structural integrity.
  • NEMA FB-1 Rating: Meets professional electrical standards for reliable performance in commercial and industrial applications.
  • Familiar Installation Process: Assembles like a regular EMT set screw coupling, requiring no special tools or training for field installation.
  • UL Listed Design: UL File E24001 certification provides assurance of safety and compliance with electrical codes.
  • Thermal Stress Prevention: Ensures EMT conduits have adequate space to contract or expand, preventing damaging thermal stresses in the conduit system.

Technical Specifications

  • Country Of Origin: United States
  • Department: Electrical
  • Division: Electrical H1
  • Emt Lateral Movement: The steel expansion coupling allows EMT conduit to move up to 2" in either direction
  • Fast And Easy Installation: Operators have no issue installing the steel expansion couplings, as it assembles like a regular EM
  • Field Application: Assembles like a regular EMT set screw coupling. To install, simply slide coupling end stop onto fi
  • Nema Rating: FB-1
  • Npd Date Electrical: 2008-07-01T00:00:00.000Z
  • Prevent Thermal Stress Damage: Ensure that EMT conduits have space to contract or expand to prevent thermal stresses in the condui
  • Product Finish: Zinc electroplate
  • Product Material: Steel
  • Sub Division: Electrical-E H2
  • Ul File: E24001

Professional Applications

  • Commercial Building EMT Installations
  • Industrial Facility Conduit Systems
  • Multi-Story Construction Projects
  • Temperature-Variable Environments
  • Long EMT Conduit Runs
  • Outdoor to Indoor Transitions
  • HVAC Equipment Connections

Why Choose Bridgeport Fittings Quality?

Bridgeport Fittings delivers reliable electrical solutions with UL Listed certification and NEMA FB-1 rating for professional confidence. The zinc electroplate finish and steel construction ensure long-term durability, while the familiar installation process reduces labor time and training requirements for electrical contractors.

Manufacturer Resources

Product Specs

Country Of Origin:
United States
Department:
Electrical
Division:
Electrical H1
Nema Rating:
FB-1
Product Finish:
Zinc electroplate
Product Material:
Steel
Sub Division:
Electrical-E H2
Certifications:
E24001
Product Type:
Expansion Coupling
Product Subgroup:
Conduit Fittings
Product Group:
Conduit & Raceway

Bridgeport Fittings EC-075 – Frequently Asked Questions

1) Do I need an expansion coupling on a long EMT run, or can I just use a regular set screw coupling?
A regular set screw coupling locks the conduit rigidly, so a long run that heats up and cools down pushes the load into the fittings, the boxes, and the supports. The Bridgeport Mighty-Move steel expansion coupling gives the EMT room to move up to 2 inches in either direction, so the conduit contracts and expands without building thermal stress in the system. Use it where the run is long or where the ambient temperature swings, such as an outdoor to indoor transition or an unconditioned industrial space. On a short interior run at stable temperature, a standard coupling is fine.
2) Will this expansion coupling work on rigid or IMC conduit?
No. The Mighty-Move EC series is built for EMT and assembles like an EMT set screw coupling, clamping on the outside of the tubing. Rigid and IMC are threaded and need a threaded expansion fitting instead. Ordering the EMT version for a threaded raceway leaves you with a fitting that will not make up to the conduit.
3) Is the Bridgeport EC expansion coupling UL Listed, and what standard does it meet?
UL Listed under file E24001, and rated to NEMA FB-1. That is the pair of references an inspector or a spec reviewer looks for on an EMT fitting, so it is what you cite on a submittal for a commercial or industrial job.
4) How much movement does the Bridgeport EC coupling actually allow, total?
Up to 2 inches in either direction, so the fitting absorbs movement whether the run is growing or shrinking. That matters when you place it: set the coupling with the conduit positioned for the temperature at the time of install, so there is travel left in both directions once the season changes. It is not a 2 inch one way stroke you can use up in one direction and still be covered.
5) Do I need special tools to install a Mighty-Move EMT expansion coupling?
No special tools and no training. It assembles the same way a standard EMT set screw coupling does: slide the coupling end stop onto the conduit and tighten the set screws. A crew that can install EMT couplings can install these, which is the main reason to pick this style over a fitting that needs threading or a proprietary tool.
6) Are these expansion couplings okay for a damp or outdoor location?
The body is steel with a zinc electroplate finish, which is a corrosion resistant plating suited to dry and normally protected locations and to indoor to outdoor transition points where the conduit crosses a temperature boundary. Zinc electroplate is a plated finish, not a hot dip galvanized or PVC coated one, so for continuously wet, corrosive, or chemically aggressive environments, spec a fitting finished for that duty.
7) Where should I put expansion couplings on an EMT run in a multi-story building?
The standard places are wherever the raceway crosses a building expansion joint, at structural seams in multi-story construction, on long horizontal or vertical runs that see temperature swing, and where conduit passes from a conditioned interior into an unconditioned or outdoor space. Connections to HVAC equipment are another common spot, since that gear moves and cycles temperature. The Mighty-Move steel coupling is sized to the EMT it joins and takes 2 inches of movement in either direction at each location.
8) Does an expansion coupling maintain the ground path, or do I need a bonding jumper?
Because the coupling telescopes, the two halves move relative to each other, and a sliding joint is not something to rely on for equipment grounding continuity. Standard practice on an expansion fitting is to bond across it with an external jumper, or to pull an equipment grounding conductor through the raceway. Plan for one of those when you spec the EC coupling into the run.
9) Are Bridgeport Mighty-Move expansion couplings made in the USA?
Yes, the Mighty-Move steel EMT expansion couplings are made in the United States. That is the answer a public agency or institutional buyer needs when a domestic sourcing clause is on the contract, alongside the UL file E24001 listing.
How fast can I get the Bridgeport Fittings EC-075 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 Bridgeport Fittings EC-075 come with a warranty?
Absolutely. The Bridgeport Fittings EC-075 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 Bridgeport Fittings EC-075?
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
Why buy the Bridgeport Fittings EC-075 from ZenSupply?
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