中性線銅排與被電機率 - 居家修繕

By Sandy
at 2021-03-31T18:29
at 2021-03-31T18:29
Table of Contents
用手直接觸摸電源之火線,中性線會不會有事?不會,如下圖
https://i.imgur.com/8pB36zJ.png
https://i.imgur.com/8vbQIlc.png
原因請看阿信助教解說:
https://youtu.be/sbU5V2u3q6o?t=190
如果如下圖,右手摸火線,左手摸水泥牆,這樣會不會被電?
答案應該是會的,
關鍵在於"金屬螺絲A","金屬螺絲A"導通了"金屬箱殼C"與"中性線銅排D",
問題:
為什麼"金屬螺絲A"不做成"絕緣螺絲A"呢?
如果做成"絕緣螺絲A","金屬箱殼C"與"中性線銅排D"就不會導通,
即使,右手摸火線,左手摸水泥牆,這樣也不會被電,
所以水電師傅為什麼要用"金屬螺絲A"導通?增加被電機率。
https://i.imgur.com/GMz7Fes.png
--
https://i.imgur.com/8pB36zJ.png
https://i.imgur.com/8vbQIlc.png
原因請看阿信助教解說:
https://youtu.be/sbU5V2u3q6o?t=190
如果如下圖,右手摸火線,左手摸水泥牆,這樣會不會被電?
答案應該是會的,
關鍵在於"金屬螺絲A","金屬螺絲A"導通了"金屬箱殼C"與"中性線銅排D",
問題:
為什麼"金屬螺絲A"不做成"絕緣螺絲A"呢?
如果做成"絕緣螺絲A","金屬箱殼C"與"中性線銅排D"就不會導通,
即使,右手摸火線,左手摸水泥牆,這樣也不會被電,
所以水電師傅為什麼要用"金屬螺絲A"導通?增加被電機率。
https://i.imgur.com/GMz7Fes.png
--
Tags:
居家修繕
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