Cable standards and colors for thermocouples

Thermocouple types and colors according to IEC 60584 are listed below.

* Cable materials are exactly same (X) or with similar electrical features (C) with thermo materials.

** Cable colors are presented acc. to IEC 60584, excluding U and L types, which are acc. to DIN 43710.

What is compensating cable (C)?

Compensating cable

  • cable type is indicated with the letter C, e.g. for K type thermocouple the cable type is KC.
  • wires have similar electrical features as the sensor's thermo wires, but they are not exactly same materials
  • this solution is more cost effective than extension wires, but the maximum temperature allowed is lower, depending on insulation materials in range of 100…200 °C.

Lapp Automaatio's stock items of cables for thermocouples are compensating cables.

What is extension cable (X)?

Extension cable or Extension wire

  • cable type is indicated with the letter X, e.g. for K type thermocouple the cable type is KX.
  • wires are of exactly same materials as thermo wires of the sensor
  • these cables can reach even as high ambient temperature level as the thermocouple does.

TC = Thermocouple

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