Bridgeport Fittings' Mighty-Merge 280SPMB Snap-in/Push-in Transition Couplings save time and money for contractors with quick and easy installation. The couplings’ patented design has a quick install snap-in end for AC/MC cables and flexible metal conduit and a labor-saving push-in end for EMT. Bridgeport’s zinc die cast couplings are ideal for transitioning fixture whips above a drop ceiling and for continuing the speed of MC down the wall to emergency lights. The couplings are cETLus Listed.