三百八十伏电压应离房屋多远 三火线之间是三百八十伏电压！那两火线之间是多少？
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其它：为防止380V带电体，接地、短路、漏电等，还需要对带电体进行绝缘保护防护。只要绝缘体完好，没有破损等，380V的电压是可以进入民用房屋的；不受影响。
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