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BRIDGEPORT FITTINGS 1129-RT Self-Aligning Three-Piece Threaded Coupling - Self-Aligning Three-Piece Threaded Couplings
BRIDGEPORT FITTINGSSelf-Aligning Three-Piece Threaded Couplings

BRIDGEPORT FITTINGS 1129-RT Self-Aligning Three-Piece Threaded Coupling

The BRIDGEPORT FITTINGS Threaded Coupling is a self-aligning three-piece threaded coupling for RMC conduit, with a 3 1/2 in trade size. It is non-insulated and rain-tight, as indicated by the manufacturer part number…

SKU 3G-OTH-06911

Also listed as: 1129RT · 1129 RT

Brand
BRIDGEPORT FITTINGS
Item
1129-RT Self-Aligning Three-Piece Threaded Coupling
Part Number
1129-RT
Category
Self-Aligning Three-Piece Threaded Couplings
Available to Order
Also known as:1129-RTBRIDGEPORT FITTINGS
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

BRIDGEPORT FITTINGS
Manufacturer Part Number
1129-RT
Type
- Three-Piece: Iron, RMC, Rain Tight
Insulated
No
Trade Size
3 1/2 in
Compatible Conduit Type
RMC

Technical Documents

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

Product Description

The BRIDGEPORT FITTINGS Threaded Coupling is a self-aligning three-piece threaded coupling for RMC conduit, with a 3 1/2 in trade size. It is non-insulated and rain-tight, as indicated by the manufacturer part number 1129-RT.

Frequently Asked Questions

What is a BRIDGEPORT FITTINGS three-piece threaded coupling used for?

This self-aligning three-piece coupling connects rigid metal conduit (RMC) in electrical raceway systems. Its rain-tight design makes it suitable for outdoor or wet-location installations where a secure, weatherproof joint is required.

What are the specifications of the BRIDGEPORT FITTINGS 1129-RT coupling?

The 1129-RT is a three-piece iron coupling with a 3 1/2 in trade size, compatible with RMC conduit. It is non-insulated and rated rain tight. The self-aligning design simplifies installation by automatically centering the conduit ends.

Where to buy BRIDGEPORT FITTINGS couplings in worldwide?

3G Electric supplies BRIDGEPORT FITTINGS couplings worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this 1129-RT rain-tight coupling to your site, regardless of location.

How to install a BRIDGEPORT FITTINGS three-piece threaded coupling?

Thread the coupling onto the first RMC conduit end, then insert the second conduit and tighten the center ring. The self-aligning feature ensures proper alignment without special tools. Always follow NEC guidelines for rain-tight connections in wet locations.

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.
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BRIDGEPORT FITTINGS Products

3G Electric supplies BRIDGEPORT FITTINGS self-aligning three-piece threaded couplings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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