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BRIDGEPORT FITTINGS Locknut: Steel, 2 1/2 in Trade Size - Expansion Set Screw Conduit Couplings
BRIDGEPORT FITTINGSExpansion Set Screw Conduit Couplings

BRIDGEPORT FITTINGS Locknut: Steel, 2 1/2 in Trade Size

The BRIDGEPORT FITTINGS Locknut (MPN EC-250) is a steel expansion set screw conduit coupling with a 2 1/2 in trade size and 10 in overall length. It features a zinc-plated finish, is rated NEMA, and is designed for…

SKU 3G-OTH-622014

Brand
BRIDGEPORT FITTINGS
Item
Locknut: Steel, 2 1/2 in Trade Size
Category
Expansion Set Screw Conduit Couplings
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Technical Specifications

BRIDGEPORT FITTINGS
Manufacturer Part Number
EC-250
Overall Lg
10 in
Trade Size
2 1/2 in
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BRIDGEPORT FITTINGS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BRIDGEPORT FITTINGS Locknut (MPN EC-250) is a steel expansion set screw conduit coupling with a 2 1/2 in trade size and 10 in overall length. It features a zinc-plated finish, is rated NEMA, and is designed for rigid conduit applications.

Frequently Asked Questions

What is a BRIDGEPORT FITTINGS locknut used for?

This steel locknut (MPN EC-250) secures rigid conduit connections in electrical raceway systems. It is used in industrial, commercial, and infrastructure projects where a NEMA-rated, zinc-plated fitting is required for grounding and mechanical support.

What are the specifications of the BRIDGEPORT FITTINGS EC-250 locknut?

The EC-250 locknut has a 2 1/2 in trade size, 10 in overall length, and is made of steel with a zinc-plated finish. It is rated NEMA and designed for rigid conduit applications. The part number is EC-250.

Where to buy BRIDGEPORT FITTINGS locknuts worldwide?

3G Electric supplies BRIDGEPORT FITTINGS locknuts worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order the EC-250 or other trade sizes.

How to install a BRIDGEPORT FITTINGS locknut on rigid conduit?

Slide the locknut onto the threaded end of the rigid conduit, then tighten it against the junction box or enclosure using a conduit locknut wrench. Ensure the zinc-plated steel fitting is fully seated for a secure, NEMA-rated connection.

Used in

Common applications for BRIDGEPORT FITTINGS
Industrial electrical grounding — Bridgeport Fittings grounding lug hubs (MCH-075) for RMC/IMC conduit connections in manufacturing plants.
Commercial conduit installation — Bridgeport Fittings self-aligning three-piece threaded couplings (1122-RT) for aligning RMC runs in tight spaces.
Substation grounding — Bridgeport Fittings split grounding bushings (SGBS-38840) for bonding large-diameter conduit to enclosures.
Process facility wiring — Bridgeport Fittings grounding locknuts (162-G) for securing IMC or threaded rigid conduit in corrosive environments.
Infrastructure projects — Bridgeport Fittings three-piece couplings (1130-RT) for 4-inch RMC connections in tunnels or utility vaults.

BRIDGEPORT FITTINGS Products

3G Electric supplies BRIDGEPORT FITTINGS expansion set screw conduit couplings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Locknut: Steel, 3 in Trade Size, 12 in Overall Lg (MPN EC-300). Key specifications — attr27176: Zinc Plated; attr27173: No; attr27171: Steel; attr27177: EMT; attr27174: cUL Listed.
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Locknut: Steel, 3 in Trade Size, 12 in Overall Lg (MPN EC-300). Key specifications — attr27176: Zinc Plated; attr27173: No; attr27171: Steel; attr27177: EMT; attr27174: cUL Listed.
Locknut: Steel, 1 1/4 in Trade Size, 7 in Overall Lg (MPN EC-125). Key specifications — attr27176: Zinc Plated; attr27173: No; attr27171: Steel; attr27177: EMT; attr27174: cUL Listed.
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Locknut: Steel, 1 1/4 in Trade Size, 7 in Overall Lg (MPN EC-125). Key specifications — attr27176: Zinc Plated; attr27173: No; attr27171: Steel; attr27177: EMT; attr27174: cUL Listed.
Locknut: Steel, 4 in Trade Size, 16 in Overall Lg (MPN EC-400). Key specifications — attr27176: Zinc Plated; attr27173: No; attr27171: Steel; attr27177: Rigid; attr27174: NEMA.
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Locknut: Steel, 4 in Trade Size, 16 in Overall Lg (MPN EC-400). Key specifications — attr27176: Zinc Plated; attr27173: No; attr27171: Steel; attr27177: Rigid; attr27174: NEMA.
Locknut: Steel, 2 in Trade Size, 8 1/2 in Overall Lg (MPN EC-200). Key specifications — attr27176: Zinc Plated; attr27173: No; attr27171: Steel; attr27177: EMT; attr27174: LEED.
BRIDGEPORT FITTINGS
Locknut: Steel, 2 in Trade Size, 8 1/2 in Overall Lg (MPN EC-200). Key specifications — attr27176: Zinc Plated; attr27173: No; attr27171: Steel; attr27177: EMT; attr27174: LEED.
Locknut: Steel, 3 1/2 in Trade Size, 14 in Overall Lg (MPN EC-350). Key specifications — attr27176: Zinc Plated; attr27173: No; attr27171: Steel; attr27177: EMT; attr27174: cUL Listed.
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Locknut: Steel, 3 1/2 in Trade Size, 14 in Overall Lg (MPN EC-350). Key specifications — attr27176: Zinc Plated; attr27173: No; attr27171: Steel; attr27177: EMT; attr27174: cUL Listed.
Locknut: Steel, 1 1/2 in Trade Size, 7 1/2 in Overall Lg (MPN EC-150). Key specifications — attr27176: Zinc Plated; attr27173: No; attr27171: Steel; attr27177: EMT; attr27174: RoHS Complaint.
BRIDGEPORT FITTINGS
Locknut: Steel, 1 1/2 in Trade Size, 7 1/2 in Overall Lg (MPN EC-150). Key specifications — attr27176: Zinc Plated; attr27173: No; attr27171: Steel; attr27177: EMT; attr27174: RoHS Complaint.
Grounding Fitting: Steel, 1 in Trade Size, 6 1/2 in Overall Lg (MPN EC-100). Key specifications — attr27176: Zinc Plated; attr27173: No; attr27171: Steel; attr27177: EMT; attr27174: RoHS Complaint.
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Grounding Fitting: Steel, 1 in Trade Size, 6 1/2 in Overall Lg (MPN EC-100). Key specifications — attr27176: Zinc Plated; attr27173: No; attr27171: Steel; attr27177: EMT; attr27174: RoHS Complaint.
Grounding Fitting: Steel, 3/4 in Trade Size, 6 in Overall Lg (MPN EC-075). Key specifications — attr27176: Zinc Plated; attr27173: No; attr27171: Steel; attr27177: EMT; attr27174: REACH Compliance.
BRIDGEPORT FITTINGS
Grounding Fitting: Steel, 3/4 in Trade Size, 6 in Overall Lg (MPN EC-075). Key specifications — attr27176: Zinc Plated; attr27173: No; attr27171: Steel; attr27177: EMT; attr27174: REACH Compliance.