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George - regarding chargers - I have had a West Marine isolated automatic
charger on <i>Brigadoon II</i> for three years. She was last out of the
water in the spring and I could detect no electrolysis, though of course
that is a possibility. My understanding is that if the charger is isolated
by a transformer, no problem exists. Am I wrong? Is there a way to
test for leakage currents? If the main switch is "off is the system not
isolated from the water?
<br> A couple of years ago a friend visited and when
he plugged in to my pier power his polarity alarm went off. Since then
I have reversed the leads from the pier to my panel in the house. I hope
that corrects that problem, though I do not know whether it was simply
that his boat and my pier "disagreed" or whether the pier was hooked up
wrong in a generic sense.
<p> I now have one of the Schumacher 1 1/2 amp maintenance
chargers ($24.95 at Wal-Mart) on the battery on the little outboard. There
is no metal in the water when the engine is tilted up, as I always leave
it, so I do not think I have a problem there.
<p>
- Gordon White
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