家中電線被新買的電暖器燒壞 - 家電
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By Joseph
at 2013-12-31T08:32
at 2013-12-31T08:32
Table of Contents
一般住宅的插座分路大多是15A的NFB(無熔絲開關)搭配2.0的電線
,只有廚房的分路另有規定,因電工法規內規定如下:
住宅除電燈、插座分路(迴路)外,應設一個以上20A專用插
座分路(迴路),供給電鍋、電爐使用
如果2.0的電線已經老化或破皮,或有接續處沒處理好,或是導線因拉長變細
那容許電流就會比較低
理論上
單線2.0mm-------安全電流 19A
當你的電流超過容許電流,假設剩餘10A
那當你的電熱器打開一台1200w /110v =10.9A 就已經超過電線所能負荷
電線就會開始過熱
如果你的第二台電熱器加在同一迴路上,那就等於21.8A,所以NFB就會跳脫
同一迴路的電器也將會全部停用
電線也會燒毀絕緣包覆,所以有臭味
--
,只有廚房的分路另有規定,因電工法規內規定如下:
住宅除電燈、插座分路(迴路)外,應設一個以上20A專用插
座分路(迴路),供給電鍋、電爐使用
如果2.0的電線已經老化或破皮,或有接續處沒處理好,或是導線因拉長變細
那容許電流就會比較低
理論上
單線2.0mm-------安全電流 19A
當你的電流超過容許電流,假設剩餘10A
那當你的電熱器打開一台1200w /110v =10.9A 就已經超過電線所能負荷
電線就會開始過熱
如果你的第二台電熱器加在同一迴路上,那就等於21.8A,所以NFB就會跳脫
同一迴路的電器也將會全部停用
電線也會燒毀絕緣包覆,所以有臭味
--
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家電
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