The TC-500 Series set to join lengths of steel EMT raceways together. The TC-500 Series zinc set screw connectors are used to secure and terminate steel EMT raceways to knockocks in boxes and enclosures. Both are for use in concretetight or dry location applications.
Appleton's NEER Zinc Set Screw Connectors and Couplings for EMT Catalog Page
O-Z/Gedney's NEER Zinc Set Screw Connectors and Couplings for EMT Catalog Page