525 Series Locking Nipple

525 Series Locking Nipple – Electrical Service Fitting The 525 Series Locking Nipple is a key component in Walker® electrical systems, designed for secure and reliable connections in underfloor duct and floor box installations. Manufactured by Wiremold in the USA, this fitting supports wiring solutions in commercial offices, education, government, and retail applications. It is compatible with Walkerduct® Pro Series, Walkerduct® Underfloor Duct, Flushduct®, and Walker 800 Series Floor Boxes, making it a versatile choice for electrical distributors and switchgear suppliers seeking durable and flexible lighting solutions and wire and cable management. Specifications Product Name: 525 Series Locking Nipple Manufacturer: Wiremold Manufacturer Part Number: 1124-11/4 Depth: 1.0 inches Product Weight: 0.1580 lbs Country of Origin: United States Made in USA: Yes Construction: Not Assembled UPC: 786564221845 Features Designed for 1 1/4" [32mm] IPS opening; 1" [25mm] long locking nipple Compatible with 525 Series Service Fittings and Walker electrical systems Die-cast aluminum construction with a brushed satin finish (as per 525 Series fittings) Provides secure connections for power and communication wiring Supports flexible installation in underfloor duct systems and floor boxes UL Listed to U.S. and Canadian underfloor duct safety standards Downloads & Links 525 Series Service Fittings 525 Series Service Fittings Spec Sheet Infloor Design Guide