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 [檔案] [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次 (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.

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• The 4th wire is the metal cover:) -易木- ♂ (61 bytes) () 12/07/2012 postreply 12:55:12

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