nick wrote:


Well, I'm getting a bit confused now. I disconnected my solar panels
completely from the wiring, totally disconnected the batteries and
insulated the solar panels from the hull as an added precaution. I was
able to measure ~0.8v between the -ve wiring and the hull. I don't
understand where this can be coming from.


Hi Nick,

If I understand correctly, you believe
none of your -ve wiring should be making
contact with the hull. Also, none of the
"appliances" have metal cases or
cabinets that make electrical contact
with the hull? A sal****er moistened
piece of plywood could do it.

With the batteries disconnected, I would
look for something making contact with
sal****er, the hull, and the -ve wiring.
The bilgepump, depth sounder, and
knotmeter are three critters with those
characteristics that come immediately to
mind. No SSB ground connection?

BTW, what do you measure between the
hull and +ve with the batteries
disconnected?

Again, it is by no means clear that
whatever is causing the voltage reading
you observe is also the cause of your
paint problem.

Good luck!

Chuck


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