The TC-600 Series zinc gland compression couplings are used to join lengths of steel EMT raceways together. The TC-600 Series zinc gland compression connectors are used to secure and terminate steel EMT raceways to knockocks in boxes and enclosures. Both are for use in concretetight dry or damp location applications.
Appleton's NEER Zinc Gland Compression Connectors and Couplings for EMT Catalog Page
O-Z/Gedney's NEER Zinc Gland Compression Connectors and Couplings for EMT Catalog Page