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chenjj49
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樓主  發(fā)表于: 2024-01-29 18:37
看了某些電柜，里面一大堆空開(kāi)，感覺(jué)每個(gè)回路都單獨分開(kāi)了，有必要嗎？什么回路前面一定要加空開(kāi)？目的是什么？有大佬詳細解答一下嗎
清水魚(yú)
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1樓  發(fā)表于: 2024-01-30 11:10
作用就是短路保護，不怕燒線(xiàn)路就不加，留個(gè)總開(kāi)關(guān)就行。問(wèn)題是甲方的要求和標準需要執行。

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