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薛名海強
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樓主  發(fā)表于: 2009-07-28 21:36
各位大哥，我宿舍的三相四線(xiàn)，相線(xiàn)１５０mm2,為什么零線(xiàn)卻用２４０mm2��？
急！急！急！
[ 此帖被sjm213在2009-07-30 21:30重新編輯 ]
qumin000017
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1樓  發(fā)表于: 2009-07-30 16:29
我看呀!就是在安裝的時(shí)候,哪個(gè)師傅腦袋發(fā)熱了,
  有兩種:1,是哪個(gè)師傅想宿舍有幾層,一層用一根相線(xiàn),共用一根零線(xiàn),他可能是怎么想的,
               2,沒(méi)有相對應的線(xiàn)了,
我做那么久工控是沒(méi)有看見(jiàn)過(guò),不過(guò)我一前也做個(gè)這樣的事,
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