Why do high-power electrical appliances use three-hole sockets?
2023-03
The notebook I am currently using, as well as its power plug. We can see that its plug is three-pronged. We can see that there are laptop plugs, electric mosquito repellent incense plugs, and electric fan plugs on the socket. Only the laptop plug is a triple plug, and the latter two are dual plugs. Let's take a look at the main question: It is easier to understand metal housing appliances, but why should high-power appliances also use three holes?
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