3" Expansion Coupling - Rigid Expansion Coupling The 3" Expansion Coupling by Southwire is designed to accommodate up to 4 inches of linear movement caused by thermal expansion and contraction, making it ideal for use in outdoor structures such as bridges, railroads, and buildings. This rigid expansion coupling features a weatherproof design and an internal grounding system that eliminates the need for external bonding jumpers and cables. It is suitable for use with rigid UL 6 conduit and provides reliable protection against circuit failures caused by conduit buckling. Specifications Manufacturer: Southwire Manufacturer Part #: TXJG84HDG Size: 3" Product Weight: 14.2 lbs UPC: 751338015111 Material Body: Steel Reducer Material: Malleable Iron Packing: PTFE Composite Washer & Bushing Material: Malleable Iron Gasket: PTFE Composite Grounding Spring: Beryllium Bronze - Electrogalvanized Finish: Hot Dip Galvanized UL Standard: UL 514B Federal Specification: WF-408E NEMA: FB 1 ASTM: A123/123M Features Allows up to 4" linear movement (2" in either direction from center) Weatherproof design for outdoor use on structures prone to movement Internal grounding design prevents need for external bonding jumpers and cables Prevents conduit buckling and ensures circuit integrity Hot dip galvanized finish for superior environmental protection Listed for wet locations (c(UL)us) Compatible with Rigid UL 6 conduit Downloads & Links Installation Instructions-Expansion Couplings Spec Sheet
