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插座配線接反-火線與中性線正確嗎? 如何偵測配線正確? 電器能用只是不安全
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牆壁插座的火線與中性線如果施工配線接反到底有沒有問題呢? 又該怎麼改善呢? 其實這種情況電器都還可以用只不過你會處於不安全的狀態快來看吧!
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