Safe use of Socket with USB Port

First of all, the socket is a device for temporary power-on, rather than a connection method for long-term use of electrical energy. If it is used for a long time, it will not need a socket, and it is connected by a terminal or a wire. Therefore, it cannot be used as a reason to use the switch control after connecting the electric appliance.

The panel switch is basically a physical structure, which is a device that frequently turns off the power. However, due to its own volume, use environment and other factors, the current of the on-off is limited, and low-power electrical appliances can be used, but large electrical appliances cannot use this simple on-off method, but use larger The contact point, the arc extinguishing cover or the contactor (relay) is used for switching. Therefore, it is unscientific to use switch control for all electrical appliances and even high-power appliances on the socket. It may cause arc ablation joints, excessive heat generation by electric current, poor contact after ablation, melting and splashing of nodes, causing internal or external combustion of the switch and even causing fire.

The contact between the socket and the plug is caused by the elastic piece of the socket itself. If the plug is not pulled for a long time, the elasticity of the socket cannot be restored, and the elastic fatigue will be caused over a long period of time. Of course, the contact will be loose, and after loosening, Everything is known to everyone: fire, fever, ablation, and even fire. Therefore, the plug is always plugged in, which is not conducive to the life of the socket, and is not conducive to good contact between the socket and the plug.

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