三相五线和三相四线根本区别是啥?3Q三相五线那个PE线是从变压器那里接地的零线一起取出跟着走的吗?还是单独做的接地保护然后跟着相线一起走的啊?我们单元楼这种的,过来的是三相四线
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![三相五线和三相四线根本区别是啥?3Q三相五线那个PE线是从变压器那里接地的零线一起取出跟着走的吗?还是单独做的接地保护然后跟着相线一起走的啊?我们单元楼这种的,过来的是三相四线](/uploads/image/z/14295225-57-5.jpg?t=%E4%B8%89%E7%9B%B8%E4%BA%94%E7%BA%BF%E5%92%8C%E4%B8%89%E7%9B%B8%E5%9B%9B%E7%BA%BF%E6%A0%B9%E6%9C%AC%E5%8C%BA%E5%88%AB%E6%98%AF%E5%95%A5%3F3Q%E4%B8%89%E7%9B%B8%E4%BA%94%E7%BA%BF%E9%82%A3%E4%B8%AAPE%E7%BA%BF%E6%98%AF%E4%BB%8E%E5%8F%98%E5%8E%8B%E5%99%A8%E9%82%A3%E9%87%8C%E6%8E%A5%E5%9C%B0%E7%9A%84%E9%9B%B6%E7%BA%BF%E4%B8%80%E8%B5%B7%E5%8F%96%E5%87%BA%E8%B7%9F%E7%9D%80%E8%B5%B0%E7%9A%84%E5%90%97%3F%E8%BF%98%E6%98%AF%E5%8D%95%E7%8B%AC%E5%81%9A%E7%9A%84%E6%8E%A5%E5%9C%B0%E4%BF%9D%E6%8A%A4%E7%84%B6%E5%90%8E%E8%B7%9F%E7%9D%80%E7%9B%B8%E7%BA%BF%E4%B8%80%E8%B5%B7%E8%B5%B0%E7%9A%84%E5%95%8A%3F%E6%88%91%E4%BB%AC%E5%8D%95%E5%85%83%E6%A5%BC%E8%BF%99%E7%A7%8D%E7%9A%84%2C%E8%BF%87%E6%9D%A5%E7%9A%84%E6%98%AF%E4%B8%89%E7%9B%B8%E5%9B%9B%E7%BA%BF)
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