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Old 23-06-2014, 13:11   #1
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Join Date: Apr 2010
Boat: FP Lavezzi 40 Who Knew
Posts: 5
Adding DC branch panel

While planning the installation of a new DC branch panel, I realized I was going to have issue with the negative bus in the Nav station. The existing negation bus using a 12 AWG wire is inadequate. The positive bus is using a proper sized wire. The existing negative bus has few wires attached to it. Where are the remaining neg wires attache
d? Is there another neg bus somewhere which I cannot find? I do not desire to drag a new large neg bus wire through the boat to a 80AH breaker panel. However, I fear it may be my only solution. What alternatives do I have?
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Old 23-06-2014, 17:54   #2
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Location: SW Florida
Boat: FP Belize, 43' - Dot Dun
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Re: Adding DC branch panel

I would be surprised if the negative bus follows the positive distribution panels, that's not necessary. My boat has a negative bus with large cables run from the house bank to 4 strategic places on the boat within easy reach of most appliances.
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Old 12-09-2014, 14:16   #3
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Join Date: Mar 2010
Location: Sydney Australia
Boat: Etchells, 30ft Dragon Lady, Lavezzi 40, Pourpre
Posts: 946
Re: Adding DC branch panel

Do you have a wiring diagram for your Lavezzi?
It should show the neg runs, I can dig mine out if you don't have one.
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