old dryer only has 3-wire cable, newer one uses 4-wire cable

來源: 比花花還花 於 2012-12-07 12:50:33 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (62 bytes)
回答: Dryer needs neutral to seperate 110/220V. 由 易木 於 2012-12-07 09:33:58

Old dryer use dryer itself for green-ground wire. 

所有跟帖： 

• The 4th wire is the metal cover:) -易木- ♂ 給 易木 發送悄悄話 易木 的博客首頁 (61 bytes) () 12/07/2012 postreply 12:55:12

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