1-1/2" Expansion Coupling – Rigid Expansion Coupling

The 1-1/2" Expansion Coupling by Southwire is designed to accommodate up to 4 inches of linear movement caused by thermal expansion and contraction in rigid conduit systems. Ideal for use in outdoor structures such as bridges, railroads, and buildings, this weatherproof coupling ensures secure conduit connections while preventing buckling and circuit failures. It features an internal grounding design that eliminates the need for external bonding jumpers, making it a reliable component for electrical distributors, lighting solutions, wire and cable installations, and switchgear suppliers.

Specifications

• Manufacturer: Southwire
• Manufacturer Part Number: TXJG54HDG
• Size: 1-1/2"
• Material: Steel body with malleable iron reducer, washer, and bushing
• Finish: Hot dip galvanized for superior environmental protection
• Weight: 24.95 lbs
• Movement Capacity: Allows up to 4" linear movement (2" in either direction)
• Standards: UL 514B, Federal Spec WF-408E, NEMA FB 1, ASTM A123/123M
• UL Listed for wet locations

Features

• Weatherproof design suitable for outdoor use on structures prone to movement
• Internal grounding design prevents need for external bonding jumpers and cables
• Prevents conduit buckling and circuit failures
• PTFE composite packing and gasket for sealing and durability
• Grounding spring made of beryllium bronze with electrogalvanized finish
• Compatible with Rigid UL 6 conduit

Downloads and Links

• Product Specification Sheet (PDF)
• Installation Instructions (PDF)