[電氣] 請問壁切開關關掉電燈線路還帶電嗎?
1.問題類型(a.規劃 b.修繕 c.知識 d.技術支援 e.其他) : (d)←請填入
2.問題描述(請詳述問題在哪):
請教各位一個很基本的概念
一般用壁切開關控制的天花板燈
當壁切開關關閉時,是否整條電燈線路都不帶電了?
如下圖連結的照片
在天花板夾層內的老舊燈泡
要維護也不好維護
怕老舊線路有危安因素
故想請教是否壁切開關關閉
這段線路就不會有任何危險?
謝謝!
4.照片連結:
https://i.imgur.com/JsyBLpe.jpg
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