Why do the terminal blocks have to be made in multiple colors? Tang Hongsen will give everyone a popular science!

For example, there are many and complicated wiring in the control cabinet. If the wiring terminal chooses a single color, it is easy to cause poor vision for the installer. Even if the marking plate is used as a distinction, it is easy to cause wiring errors. The use of different color terminal products can largely Differentiating the different sources of the upstream and downstream current signals makes the installation safer.

There is another color that is more common in the terminal industry, and that is the ground terminal. The ground terminal is used to connect the ground wire. All manufacturers will make the ground terminal yellow-green, which is different from the regular terminal color.