... :Braided fiberglass 3. Overall Jacket:Fibergla Thermocouple Extension wire Type KX- 2x24 AWG FG/FG - ANSI1, SUBJECTFiberglass braided insulated thermocouple wire ... ,1°c or 0,4%*whichever is greaterThermocouple type available: KX, JX, TX, EX, NX, RX,SX and other compensating cable ... like KCA, KCB and so on. Type KX- 2x24 AWG FG/FG - ANSI Thermocouple Extension Wire