Use Bridgeport’s 238-DC2 3-1/2" Set Screw EMT Connector to connect electrical metallic tubing to an electrical box or enclosure. The die cast zinc construction of this connector ensures a precise fit, finish and excellent corrosion resistance in harsh environments. To install, simply insert 3-1/2" EMT into the fitting and tighten down the tri-drive slot/Phillips/Robertson head set screws to secure the tubing in place. Then, a fitted locknut is used to join the connector to a 3-1/2" knockout, creating a concrete-tight seal. Bridgeport set screw zinc EMT connectors are available in trade sizes 1/2" to 4". All are UL listed under File No. E24001. Sizes 2" to 4" are also UL Listed for use with aluminum and steel EMT.