The NESCO Model 851 Three-Piece Erickson Coupling is the go-to solution for professional electricians and contractors working with rigid metal conduit (RMC) and intermediate metal conduit (IMC) in situations where neither conduit end can be rotated. Whether you're making connections in tight spaces, completing a run after conduit is already secured, or working on retrofit and repair jobs, this coupling delivers reliable mechanical strength and grounding continuity. Built from malleable iron, it's engineered for demanding job-site conditions where durability and code compliance matter.

Specifications

Trade Size 1/2 in.
Compatible Conduit Type Rigid Metal Conduit (RMC), Intermediate Metal Conduit (IMC)
Construction Malleable Iron
Coupling Type Three-Piece Erickson (Union)
Application Fixed conduit connections where rotation is not possible
Brand NESCO
Model 851