ERICKSON COUPLING 3 INCH – Threaded Conduit Coupling The ERICKSON COUPLING 3 INCH is designed to couple and effectively bond threaded ends of rigid metal conduit and intermediate metal conduit where neither length of conduit can be rotated. This malleable iron coupling with steel and malleable iron ring provides a rigid, in-line connection suitable for electrical distributors and lighting solutions requiring secure conduit connections. It is ideal for use in wire and cable installations and is compatible with switchgear supplier applications needing durable conduit fittings. Specifications Material: Malleable Iron Length: 2-29/32 in Outside Diameter: 4-7/16 in Product Weight: 18.1 lbs Manufacturer: Thomas & Betts Manufacturer Part #: 682 Application: To Couple and Effectively Bond Threaded Ends of Rigid Metal Conduit/Intermediate Conduit Where Neither Length of Conduit Can Be Rotated Features Permits conduit coupling without rotating either conduit Provides rigid in-line coupling with high-quality grounding Will not loosen under vibration Suitable for concrete-tight applications Capable of carrying ground fault currents up to 20,000 amps RMS (2" and above) for three cycles Constructed of malleable iron with steel and malleable iron ring for durability Downloads & Links Spec Sheet Spec Sheet