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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 — 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

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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