發布日期:2022-04-26 點擊率:389
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按我國現行標準,從線色上分,一般應該是火線-紅色,零線-綠色或黃色(也有的是黑色),地線是黃綠相間。如果是三相插座,左邊是零線,中間(上面)是地線,右邊是火線。
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