Assembles like a regular EMT/rigid/IMC set screw couplingTo install, simply slide coupling end stop onto fixed end of EMT/rigid/IMC and tighten screwPlace movable EMT/rigid/IMC completely into coupling and mark engagement, remove EMT/rigid/IMC and mark half the distance of engagement, reinstall EMT/rigid/IMC to half distanceLow cost and easy to usePatented design
Bridgeport® Mighty-Move® EC-250 Set Screw Expansion Coupling, 2-1/2 in, For Use With IMC/EMT/Rigid Conduit, Steel, Enamel Coated/Zinc Plated