Why is the earth pin bigger and thicker in the three-pin plug?
A three-pin plug usually has three pins. Phase and neutral connections are made with two narrow pins between the three pins. The third is attached to the earth. Even if you try to do so, it is not possible. A pre-pin plug has an earth or ground pin longer than the other two pins because
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The earth pin is connected first when connected to the socket and disconnected at the end when playing. This results in electrical equipment. If a static charge accumulates on the body, it goes to the ground and protects the device.
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