... : Positive-Iron, Negative-Constantan 2.Insulation:Braided fiberglass 1, SUBJECT Fiberglass braided insulated thermocouple extension wire, type J, stranded ... ±2,2°C or 0.75%±1,1°C or 0,4%Thermocouple type available: KX, JX, TX, EX, NX, RX,SX and ... cable like KCA, KCB and so onColor Code available: Type JX- 2x24 AWG FG/FG-SSB - DIN Thermocouple Extension wire