... and diameters, such as high temperature furnace thermocouples. Mineral insulated cable for thermocouple use: Measure range: K, E, ... SS321, SS316, SS310, INC600 Class: Class A or Special Core: Simplex, Duplex, TriplexSample1 MI thermocouple with J extension wireMI ... , SS316, SS310, INC600 Class: Class A or Special Core: Simplex, Duplex, TriplexSample 2 MI RTD with connector Mineral Insulated Cable