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家用電表怎么接線?

2014-10-23

  一般家用電能表(單相220v).在底部的接線處有四個接線口/輸入端:接線柱1接相線(火線)接線柱3接零線。輸出端:接線柱2接輸出零線。接線柱4接輸出火線??烧J定為1:3進入。2:4輸出。

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