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I have a 200 A service panel with 12 breakers. Seven of the breakers work fine. There are 5 other lines that come in. When I hook up the black wires to the breakers and turn them on I get a charged neutral wire. It is reading 120 V. What could be the problem?

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What are you reading 120v between? Neutral from panel and ground, neutral from circuit and ground, or neutral and hot? –  BMitch Jan 27 '13 at 13:45
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Also, what's on the other end of the lines? –  TomG Jan 27 '13 at 18:01
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Did you also hook up the white wires corresponding to those 5 circuits you just hooked black wires to breakers? Or did you leave them unconnected and measure them that way, relative to ground? –  Skaperen Jan 28 '13 at 2:38

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