We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

BRIDGEPORT FITTINGS Metallic Conduit Fittings: Steel, Zinc Plated, 2 1/2 in Trade Size - Insulating Bushings
BRIDGEPORT FITTINGSInsulating Bushings

BRIDGEPORT FITTINGS Metallic Conduit Fittings: Steel, Zinc Plated, 2 1/2 in Trade Size

The BRIDGEPORT FITTINGS TWB-57 is a steel, zinc-plated insulating bushing with a 2 1/2 in trade size. This metallic conduit fitting is insulated and manufactured by BRIDGEPORT FITTINGS under part number TWB-57.

SKU 3G-OTH-05673

Brand
BRIDGEPORT FITTINGS
Item
Metallic Conduit Fittings: Steel, Zinc Plated, 2 1/2 in Trade Size
Category
Insulating Bushings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

BRIDGEPORT FITTINGS
Manufacturer Part Number
TWB-57
Type
Zinc Plated, Insulated
Insulated
Yes
Trade Size
2 1/2 in
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

BRIDGEPORT FITTINGS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BRIDGEPORT FITTINGS TWB-57 is a steel, zinc-plated insulating bushing with a 2 1/2 in trade size. This metallic conduit fitting is insulated and manufactured by BRIDGEPORT FITTINGS under part number TWB-57.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the BRIDGEPORT FITTINGS TWB-57 insulating bushing used for?

The BRIDGEPORT FITTINGS TWB-57 is a steel, zinc-plated insulating bushing used to protect electrical cables from sharp conduit edges. It provides a smooth, insulated throat at conduit terminations in industrial and commercial electrical installations, ensuring wire insulation integrity and mechanical protection.

What are the specifications of the BRIDGEPORT FITTINGS TWB-57?

The BRIDGEPORT FITTINGS TWB-57 is a metallic conduit fitting with a 2 1/2 in trade size. It is made of steel with a zinc-plated finish and is insulated. The manufacturer part number is TWB-57. This insulating bushing is designed for use with rigid metal conduit and intermediate metal conduit systems.

Where to buy BRIDGEPORT FITTINGS TWB-57 worldwide?

3G Electric supplies the BRIDGEPORT FITTINGS TWB-57 insulating bushing worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this part for your electrical project.

How to install a BRIDGEPORT FITTINGS TWB-57 insulating bushing?

To install the BRIDGEPORT FITTINGS TWB-57, thread it onto the end of a 2 1/2 in trade size conduit after cutting and reaming. Tighten securely by hand or with a strap wrench until snug. Ensure the insulated throat faces the interior of the enclosure to protect wires from abrasion. Follow standard electrical safety practices.

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 insulating bushings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
BURNDY Ring Terminal: Bare, 1/2 in Stud Size, 2 AWG to 2 AWG Wire Sizes, 600 V, Brazed Barrel & Seam (MPN YAD2CM12E12). Key specifications — Brand: BURNDY; Series: PAT4PC834.
BURNDY
BURNDY Ring Terminal: Bare, 1/2 in Stud Size, 2 AWG to 2 AWG Wire Sizes, 600 V, Brazed Barrel & Seam (MPN YAD2CM12E12). Key specifications — Brand: BURNDY; Series: PAT4PC834.
BURNDY Ring Terminal: Bare, 1/2 in Stud Size, 4 AWG to 4 AWG Wire Sizes, 600 V, Brazed Barrel & Seam (MPN YAD4CM12E12). Key specifications — Brand: BURNDY; Series: Y39.
BURNDY
BURNDY Ring Terminal: Bare, 1/2 in Stud Size, 4 AWG to 4 AWG Wire Sizes, 600 V, Brazed Barrel & Seam (MPN YAD4CM12E12). Key specifications — Brand: BURNDY; Series: Y39.
BURNDY Ring Terminal: Bare, 3/8 in Stud Size, 8 AWG to 8 AWG Wire Sizes, 600 V, Brazed Barrel & Seam (MPN YAD8CM10E38). Key specifications — Brand: BURNDY; Series: PAT81KFT.
BURNDY
BURNDY Ring Terminal: Bare, 3/8 in Stud Size, 8 AWG to 8 AWG Wire Sizes, 600 V, Brazed Barrel & Seam (MPN YAD8CM10E38). Key specifications — Brand: BURNDY; Series: PAT81KFT.
BURNDY Ring Terminal: Bare, 1/2 in Stud Size, 300 kcmil to 350 kcmil Wire Sizes, 600 V (MPN YAD31M12E12). Key specifications — Brand: BURNDY; Series: Y750.
BURNDY
BURNDY Ring Terminal: Bare, 1/2 in Stud Size, 300 kcmil to 350 kcmil Wire Sizes, 600 V (MPN YAD31M12E12). Key specifications — Brand: BURNDY; Series: Y750.
BUNTING BEARINGS Thrust Washer: 1/2 in Bore, Bronze, C87850, 3/4 in OD, 0.125 in Thick (MPN EBTW081202). Key specifications — Material Grade: C87850; System of Measurement: Inch; Standards: ASTM B505; Brand: BUNTING BEARINGS.
BUNTING BEARINGS
BUNTING BEARINGS Thrust Washer: 1/2 in Bore, Bronze, C87850, 3/4 in OD, 0.125 in Thick (MPN EBTW081202). Key specifications — Material Grade: C87850; System of Measurement: Inch; Standards: ASTM B505; Brand: BUNTING BEARINGS.

More from BRIDGEPORT FITTINGS

View all BRIDGEPORT FITTINGS parts
BRIDGEPORT FITTINGS Metallic Conduit Fittings: Plastic, Plain, 1 1/4 in Trade Size, 3 in Overall Lg (MPN TWB-54). Key specifications — Insulated: Yes; Brand: BRIDGEPORT FITTINGS.
BRIDGEPORT FITTINGS
BRIDGEPORT FITTINGS Metallic Conduit Fittings: Plastic, Plain, 1 1/4 in Trade Size, 3 in Overall Lg (MPN TWB-54). Key specifications — Insulated: Yes; Brand: BRIDGEPORT FITTINGS.
BRIDGEPORT FITTINGS Metallic Conduit Fittings: Plastic, Plain, 1/2 in Trade Size, 3/4 in Overall Lg (MPN TWB-51). Key specifications — Insulated: Yes; Brand: BRIDGEPORT FITTINGS.
BRIDGEPORT FITTINGS
BRIDGEPORT FITTINGS Metallic Conduit Fittings: Plastic, Plain, 1/2 in Trade Size, 3/4 in Overall Lg (MPN TWB-51). Key specifications — Insulated: Yes; Brand: BRIDGEPORT FITTINGS.