The NESCO 183Z is a 1-inch zinc die-cast EMT to flexible conduit coupling designed for professional electricians and contractors who need a fast, secure transition between rigid EMT and flexible conduit on commercial and industrial job sites. Whether you're roughing in a panel, connecting equipment with vibration isolation requirements, or navigating tight mechanical spaces, this coupling delivers a reliable set-screw connection that stays put. Its zinc construction offers solid corrosion resistance for dry and damp interior applications, making it a dependable choice for both new construction and retrofit work.

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