XJG Expansion Couplings – Conduit Expansion Coupling for Rigid Conduit The XJG Expansion Couplings by Thomas & Betts provide a reliable solution for allowing the contraction and expansion of rigid conduit runs without compromising the mechanical or bonding integrity of the raceway. Designed for use in electrical distribution and lighting solutions, these couplings are suitable for rigid and intermediate metal conduit systems, ensuring continuous electrical grounding and watertight sealing in various industrial and commercial applications. Specifications Size: 2-1/2 Inch Movement: 8 Inch Length: 16.12 in Outside Diameter: 4.96 in Material: Malleable Iron Body Finish: Zinc Plated with Aluminum Acrylic Paint Internal Bonding Jumper: Copper Braid Packing Material: PTFE/Synthetic Fiber (Teflon® Coated) Product Weight: 22.63 lbs Manufacturer: Thomas & Betts Manufacturer Part #: XJG78-TB Features No disassembly required during installation, reducing labor time and costs Internal sliding bushing keyed to prevent conduit movement within the fitting Internal bonding jumper sized to meet UL fault current test requirements ensuring continuous electrical bonding Raintight seal achieved by tightening gland nut compressing Teflon® packing ring Durable zinc-plated and aluminum acrylic painted finish for corrosion resistance Suitable for use with rigid metal conduit and adaptable for PVC coated conduit with standard adapters (not supplied) Designed to maintain mechanical and bonding integrity of the raceway during thermal expansion and contraction Downloads & Links Technical Drawing / Spec Sheet Canada Technical Drawing / Spec Sheet US Spec Sheet Instruction Sheet
