thermocouple standard connector color : black Application Connector for thermocouple and RTD ... . Color Code - Available in all color code standards. Incl. IEC, DIN, NFE, BS, JIS, etc. Calibration Code J K ... Color Code Black Yellow Blue Violet Green White Orange IEC Color Code Black Green Brown Violet Orange White Pink ... : Any queries ,pls contact with us anytime. thermocouple standard connector ,type J