Thermocouples/
Compensating Cables
Color Codes of Compensating Cables
Color Code Type of Compensating Cable
Note: The core wires of extension lead wires of R and S have a copper and constantan (copper/nickel alloy) combination; however, since they include copper more than constantan wires used for other thermocouples (T or E), they have the same color as copper wires.
Thermocouple Wire Identification (Color Code) with ASTM Standard
Technical Data
LINK
