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PE和GND的区别
更新时间: 2020-07-10 00:00:00  

GND是公共端的意思,也可以说是地,但这个地并不是真正意义上的地。是出于应用而假设的一个地,对于电源来说,它就是一个电源的负极。它与大地是不同的。有时侯需要将它与大地连接,有时侯也不需要,视据体情况而定。

而PE就是保护地的意思,即要用导线与大地直接相连的。

关键词: pe gnd 区别

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