Screw-on EMT Compression Connector 3-1/2″, Die Cast Zinc
https://hotfix.nsiindustries.com/product/screw-on-emt-compression-connector-3-1-2-die-cast-zinc/
Use Bridgeport screw-on EMT compression connectors to connect electrical metallic tubing to an electrical box or enclosure. Compression type EMT connectors are quick to install, UL Listed concrete-tight and CSA Listed concrete-tight/raintight.