Basic knowledge of electrician, Xiaobian brings you to know the calculation method of power and wire and cable
Good friends, I was going to tell you about the wiring method of three-phase electrical lines, including some direct start, positive and negative control lines, and the Star Triangle to start various secondary lines, so that everyone can understand a basic electrical foundation. But there are other things in the near future that will definitely be added later. Now I am going to Shanghai to do the electrical circuit transformation in the old city, which is the transformation of some family lines. Today, I will talk about some ordinary electrician foundations and hope to make up for and help my friends.
Although Schneider is a famous brand, it will not use this kind of protection.