It is estimated that many people after the 80s will have such a memory. When watching cartoons at home, they often have power outages and then go to other schoolmates to watch TV. At that time, the network has not been so popular now, so watch TV at that time. It is the way children entertain. The instability of electricity in that era was the result of many factors. The problem of wire and cable occupies a very important part. Therefore, our country is constantly transforming electricity, and now there are few sudden power outages. After experiencing, even if there is a need for power outages, it will be notified in advance. As people continue to rely on electricity and networks, they will be less able to make an impact. The selection of the quality and type of wire and cable is very important.