"Life safety key" of distribution box

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Now the weather is hot, the distribution box itself is gradually warming up, if its heat dissipation is not good, then it will lead to high temperature phenomenon, resulting in fire accidents. I don't know if you know that there is a life button on the distribution box, which can't be ignored! This button mainly plays the role of leakage protection, it is to detect whether leakage occurs in our home, once leakage occurs, the distribution box will automatically power off, commonly known as trip. If you observe carefully, you will find that the leakage protection is marked with a line of small words "press once a month"; So this button is called "life safety key".

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