Bridgeport 230-DCI2 1/2 IN Ss Conn. Ins. Zinc, Box of 50
https://nsiindustries.com/product/set-screw-emt-connector-1-2-insulated-die-cast-zinc/
Use Bridgeport set screw EMT connectors to connect electrical metallic tubing to an electrical box or enclosure for a concrete-tight seal at the point of connection. An insulated throat protects inner wiring up to a temperature of 105u00b0C.