06-11-2019, 07:34 AM
(05-19-2019, 08:22 PM)3200Open Wrote:(05-30-2018, 07:37 AM)Misdirection Wrote: You probably have a neutral (white) and ground (green) touching somewhere.
That seems to be a pretty common issue with Marina's upgrading the electrical. BoatUS had a good article on this last month. If I can find the article, I'll post it.
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https://www.powerandmotoryacht.com/maint...hore-power
Wasn't BoatUS, but here is the article I was referring to.
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My Marina just upgraded all the pedestals and marina wiring to the new National Electric Code with GFCI pedestals and now when I plug in both 30 amp shore power cords and turn on breakers it trips the GFCI at the pedestals. I can use one or the other power cord and everything works fine, but once I turn on the breaker for the second power cord both trip at the pedestal. Any tips for troubleshooting appreciated.
The fact that you can use one or the other (and I’m assuming that you’re NOT changing the cables’ configuration when you do that) tends to point the finger at the pedestal.
If you have (or can borrow) two 30 amp to 15 amp converters you can verify the issue isn’t your boat. Hook up the converters and plug in two substantial loads (e.g. a portable compressor and a pressure washer). If you can operate both at the same time it’s NOT the pedestal. However, if the pedestal trips in this configuration it’s obviously the pedestal (as opposed to your boat).
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