Answer
Jul 23, 2024 - 05:11 AM
The thermocouple connector color is a visual indication of the thermocouple calibration. According to ANSI MC 96.1, which is the most common standard used in the United States, the following table shows the connector color code for the most commonly used connectors:
| Thermocouple Calibration | Connector Color |
| J (Iron/Contantan) | Black |
| K (Chromel/Alumel) | Yellow |
| T (Copper/Contantan) | Blue |
| E (Chromel/Contantan) | Purple |
| N (Nicrosil/Nisil) | Orange |
