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[請問] 雙切開關的電表測量法?

Dec 15th 2014, 19:40, by higger

作者higger (歲月靜好)

站內ask

標題[請問] 雙切開關的電表測量法?

時間Mon Dec 15 19:40:47 2014

之前水電到我家~ 因有一個燈是用雙切的~ 我跟他說這條藍色的是雙切~ 他驗證的時候~ 用電表~ 要我去另一頭的雙切那開關一下~ 然後他就說他確定我講的沒錯~ 有人知道他是在測量什麼嗎? 是雙切另一邊開關時~電壓會動一下嗎? 因為他似乎是著重在我開關的剎那~才確定的~ 我只是很好奇而已謝謝~ -- -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 223.142.192.1 ※ 文章網址: http://www.ptt.cc/bbs/ask/M.1418643650.A.FC7.html

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