接地銅棒無法防漏電 - 居家修繕
By Elma
at 2021-04-02T03:28
at 2021-04-02T03:28
Table of Contents
https://www.youtube.com/watch?v=gHQE5L6hbgs
上述影片"Will 120v To Ground Trip a Circuit Breaker?"
內容是說,從標準無熔絲開關,接一條火線出來,火線再接到接地棒,
但是,無熔絲開關沒有跳掉(沒有斷路),有約9A電流持續流過,
現在新建築都要求在地基工程時,埋設"標準"接地銅棒,
"標準"意味有一定規格,電阻值之類的,
https://i.imgur.com/QXtpYqK.png
上圖,上述影片,也說明一件事,漏電電流跑到接地銅棒,
不足以使無熔絲開關跳掉,無熔絲開關會持續供電,
請問,民房住宅的接地銅棒主要用意為何?
民房住宅的接地銅棒,如果是防閃電,消除靜電,
防閃電,消除靜電,這有很必要嗎?
尤其一些老房子住了幾十年,也沒有閃電,靜電的問題呀!
--
內容是說,從標準無熔絲開關,接一條火線出來,火線再接到接地棒,
但是,無熔絲開關沒有跳掉(沒有斷路),有約9A電流持續流過,
現在新建築都要求在地基工程時,埋設"標準"接地銅棒,
"標準"意味有一定規格,電阻值之類的,
https://i.imgur.com/QXtpYqK.png
上圖,上述影片,也說明一件事,漏電電流跑到接地銅棒,
不足以使無熔絲開關跳掉,無熔絲開關會持續供電,
請問,民房住宅的接地銅棒主要用意為何?
民房住宅的接地銅棒,如果是防閃電,消除靜電,
防閃電,消除靜電,這有很必要嗎?
尤其一些老房子住了幾十年,也沒有閃電,靜電的問題呀!
--
Tags:
居家修繕
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