This video is about industrial control panels. What is an industrial control panel? It is a control panel that is used for the monitoring and control of industrial devices. The person in this video is very thorough about going over what a control power does.
He goes over each component of the industrial control panel, individually, starting with the main breaker. The main breaker is where power control starts.
He explains how power comes in at the top. This is why the breaker is located there. He then explains about the surge protector and how the surge protector works in the event of a lightning strike or other power outage.
If someone did not understand what industrial control panel basics were, after viewing this video it should be clear. The viewer will be more aware of AC/DC currents as well as what each component does.
The video ends by referring the view to the website for further information on industrial control panels and industrial electrical services. The one mentioned in the video is only one of many different control panels.