Applications
Type DB-60 (Direct Burial) TC-6 Conduit is manufactured for direct burial applications.
Type EB-20 (Encased Burial) TC-6 Conduit is manufactured for use in outside concrete encasement applications.

Type DB-60 Conduit is produced to the following standards
National Electrical Manufacturers Association (NEMA) - TC-6
American Society for Testing and Materials (ASTM) - F-512

Type EB-20 Conduit is produced to the following standards
Underwriters Laboratory, Inc. (UL) - 651-A
National Electrical Manufacturers Association (NEMA) - TC-6
American Society for Testing and Materials (ASTM) - F-512