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huxupin
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樓主  發(fā)表于: 2009-10-26 20:21
一平方毫米銅心電線(xiàn)到底能通過(guò)多大的電流呢？我看了電熱水壺1500W用的是0.75MM2的銅芯電線(xiàn)，和書(shū)上寫(xiě)的相差很多啊
gang.liu9
禪城-及時(shí)雨
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1樓  發(fā)表于: 2009-10-27 11:13
與導線(xiàn)的絕緣材料、長(cháng)度、壓降要求、連續使用時(shí)間、敷設的方式及環(huán)境溫度有關(guān),一般家庭用5~6安/MM2。

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