Next message: Eric Thompson: "lv-ab: Galvanic Current"
Eric,
That's scary.
Which marina are you at in San Francisco Bay?
Time to warn all the others as well.
kp
>
> On Sun, Sep 30, 2001 at 12:02:33AM -0700, Eric
> Thompson wrote:
> > Norm asked if the current was AC or DC.
> > Norm,
> > The current was DC. Today we measured from the
> shorepower
> > ground pins to the bay and found that there was
> 0.48 Volts
> > at my friends dockbox. The shorepower was negative
> with
> > respect to the bay.
> > Then we went to my dockbox, 5 slips away, and
> repeated the
> > procedure. This time we measured 0.36 Volts. The
> shorepower
> > was POSITIVE with respect to the bay.
> > I'm sure the BAY AIN'T THE PROBLEM!
> > The guy across the dock from me, 15 feet away, is
> losing a
> > "dinnerplate" zinc every 60 days!
> > GALVANIC ISOLATORS ALL AROUND!
> >
> > Eric Thompson
> > S/V Procrastinator
> > South San Francisco
> >
>
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