... -Chromel, negative-Alumel 2.Insulation:Braided fiberglass 3. Overall Jacket:Fibergla Thermocouple Extension wire Type KX- 2x24 AWG FG/FG - ANSI1, SUBJECTFiberglass ... Color code: Brown or White/yellow trace(ANSI/ASTM E230)3, DIMENSIONS AND TOLERANCES Dimensions / tolerances (mm)(1.6±0. ... ,1°c or 0,4%*whichever is greaterThermocouple type available: KX, JX, TX, EX, NX, RX,SX and other compensating cable ...