What Causes Reverse Polarity if the Dock Pedestal is Good?

Question:

What on a boat or internal to the boat could result in a reverse polarity light if the dock pedestal, cords and inlets and breakers on panel are all good?

Answer:

If you have confirmed polarity to the connection point of your boat the next steps is to confirm at the main double pole breaker the polarity that is present.  There are a number of causes that can trigger the reverse polarity indicator to illuminate, this is a serious issue and should be investigated as soon as possible by a qualified electrician.  

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