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