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RACO Threaded Chase Nipple, 1-1/2 in Trade Size, Zinc, Plain Finish, UL Listed - Threaded Chase Nipples
RACOThreaded Chase Nipples

RACO Threaded Chase Nipple, 1-1/2 in Trade Size, Zinc, Plain Finish, UL Listed

The RACO Threaded Chase Nipple (MPN 1666) is a UL Listed chase closed nipple with a 1-1/2"-11-1/2 thread size and a plain finish. This 1-1/2 in trade size fitting has an overall length of 29/32 in and is designed for…

SKU 3G-OTH-06575

Brand
RACO
Item
Threaded Chase Nipple, 1-1/2 in Trade Size, Zinc, Plain Finish, UL Listed
Part Number
1666
Category
Threaded Chase Nipples
Available to Order
Also known as:1666RACO
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

RACO
Manufacturer Part Number
1666
Type
Zinc, Chase Closed Nipple
Overall Lg
29/32 in
Item
Chase Closed Nipple
Finish
Plain
Standards
UL Listed
Thread Size
1-1/2"-11-1/2

Technical Documents

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

Product Description

The RACO Threaded Chase Nipple (MPN 1666) is a UL Listed chase closed nipple with a 1-1/2"-11-1/2 thread size and a plain finish. This 1-1/2 in trade size fitting has an overall length of 29/32 in and is designed for industrial conduit and raceway applications.

Frequently Asked Questions

What is a RACO Threaded Chase Nipple used for?

A RACO Threaded Chase Nipple (MPN 1666) is used to connect and secure conduit or raceway sections in industrial electrical installations. It provides a threaded, closed-end coupling for chase nipples, ensuring a safe and code-compliant pathway for wiring in commercial and industrial buildings.

What are the specifications of the RACO Threaded Chase Nipple 1666?

The RACO Threaded Chase Nipple 1666 has a 1-1/2 in trade size, a thread size of 1-1/2"-11-1/2, and an overall length of 29/32 in. It features a plain zinc finish, is UL Listed, and is classified as a chase closed nipple for conduit systems.

Where to buy RACO Threaded Chase Nipple 1666 worldwide?

You can source the RACO Threaded Chase Nipple 1666 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring you receive genuine RACO fittings for your project.

How to install a RACO Threaded Chase Nipple?

To install a RACO Threaded Chase Nipple, apply a suitable thread sealant to the male threads, then hand-tighten into the conduit or raceway hub. Use a wrench for final snugging without over-torquing. Ensure the closed end faces the chase to prevent debris entry. Always follow local electrical codes.

Used in

Common applications for RACO
Industrial machinery — RACO liquid-tight connectors (e.g., 3520-3, 3414) terminate flexible metallic conduit at motor and control enclosures.
Water and wastewater treatment — RACO 90-degree liquid-tight connectors (e.g., 3430) route conduit in washdown and outdoor areas requiring liquid-tight terminations.
Commercial electrical raceways — RACO short elbows (e.g., 1/2 in and 3/4 in iron elbows) change direction in IMC and RMC runs per UL 514B.
Panel and equipment wiring — RACO flex screw-in couplings (e.g., 2272) join sections of 1/2 in flexible conduit between machines and junction points.
Raceway transitions — RACO flex-to-EMT couplings (e.g., 1482, 1483) connect flexible conduit to EMT in mixed raceway installations.
Maintenance and repair — RACO conduit fittings and boxes are stocked as spares for replacing damaged terminations and couplings in existing raceways.
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RACO Products

3G Electric supplies RACO threaded chase nipples. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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