Electrical equipment installers mainly connect wires and stay wires to cooperate with others for debugging. Because the equipment installation is according to the drawing, so is the wiring. If you want to learn something, you have to rebuild the old factory or transform the power distribution.
Students majoring in automation start at the grassroots level, and then go to the builder, general manager, project manager, chief engineer, etc.
If you have any questions, talk about them in detail.