4" Expansion Coupling

4" Expansion Coupling – Rigid Expansion Coupling The 4" 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. Suitable for use in demanding outdoor environments, this weatherproof coupling is ideal for structures prone to movement such as bridges, railroads, and buildings. Its internal grounding design eliminates the need for external bonding jumpers and cables, making it a reliable component for electrical distributors and switchgear suppliers requiring durable conduit connections. Specifications Manufacturer Part #: TXJG104HDG Product Weight: 21.6 lbs Size: 4 inches Material: Steel body, malleable iron reducer, washer, and bushing Finish: Hot dip galvanized Grounding Spring: Beryllium bronze-electrogalvanized Packing and Gasket: PTFE composite UL Listing: c(UL)us listed for wet locations Features Allows up to 4" of linear movement (2" in either direction from center) Internal grounding design eliminates need for external bonding jumpers and cables Prevents conduit buckling and circuit failures Weatherproof design suitable for outdoor structures subject to movement Hot dip galvanized finish provides superior protection against severe environmental factors Compatible with Rigid UL 6 Conduit Downloads & Links Spec Sheet Installation Instructions-Expansion Couplings