燈的接線疑問? - 居家修繕
By Anonymous
at 2015-03-25T02:36
at 2015-03-25T02:36
Table of Contents
有個問題我腦袋一直卡住~怎麼想都想不通~
上網找大都是牆內線已布好~只要考慮火線或燈切線是那條...等等等就好~
我的疑問應是~我搞不太懂燈切線和水線有什麼差別?及它們在天花板上的關係...
(可能因為我家天花板是打不開的)
裝燈的時候~天花板上會有二條線通出來~一是火線...
另一條是燈切線還是水線???(這條最終會從牆上開關處出現,而火線不會)
如果是連到開關處的燈切線...那水線是在某個我看不到的地方和這條燈切線連著嗎?
是中間某個地方電線皮撥掉...用膠帶繞緊...這樣連著嗎?
而如果是連到開關處的中性線...這條中性線一方面和燈具上的燈切線連著...
一方面同上....
-----突然發現這樣講比較清楚的分格線------------------
如果今天這個燈放在我桌上實驗...我可以從牆上接一條火線接一樣擺桌上的單切開關~
從燈上拉燈切線接開關...
然後我從另一面牆上拉一條中性線...這時接哪裡呢???
是串在燈具上的燈切線上~
還是燈上會有另一處能連接~
謝謝~~~
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居家修繕
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