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 Catalina/Capri 25/250 Sailor's Forums
 Catalina 250 Specific Forum
 Galvanic? corrosion		  New Topic  Topic Locked
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edguide1
Deckhand

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USA
23 Posts
Initially Posted - 06/29/2011 :  20:44:17  Show Profile
I just purchased a 1995 250 WB. Do I need to worry about corrosion from electrical currents in the water?
Thanks,
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DaveR
Master Marine Consultant

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USA
2015 Posts
Response Posted - 06/30/2011 :  06:05:28  Show Profile  Visit DaveR's Homepage
It depends on your local situation I would think. If you're in a Marina and going through your anodes in a hurry, I'd say yes. But I'm no expert, have just read a few threads here where guys have had problems.
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Nautiduck
Master Marine Consultant

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USA
3704 Posts
Response Posted - 06/30/2011 :  06:59:05  Show Profile
It really depends on the marina. Best bet is to ask some of the other boat owners around you.

Welcome to the forum!
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JohnP
Master Marine Consultant

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1520 Posts
Response Posted - 06/30/2011 :  12:08:47  Show Profile
If you are at a marina with 110V shore power used by many of the skippers, then one or more of the boats could leak current into the water. It seems less likely without shore power. If you have metal parts below the waterline, you could experience galvanic corrosion.

You could ask your marina management if they routinely test the water for stray current. They may be more interested if you mention the risk of electrocution and drowning to any boat owners, guests or staff who happen to be in the water near a boat with faulty wiring.

[url="http://www.amazon.com/Caseys-Complete-Illustrated-Sailboat-Maintenance/dp/0071462848#_"]Don Casey's Complete Illustrated Sailboat Maintenance Manual[/url] has a chapter "Sailboat Electrics Simplified" in which he discusses every aspect of good and bad wiring - DC and AC - on sailboats, including the risks with galvanic corrosion.
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edguide1
Deckhand

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USA
23 Posts
Response Posted - 06/30/2011 :  21:06:22  Show Profile
Thank you
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Stinkpotter
Master Marine Consultant

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Djibouti
9081 Posts
Response Posted - 07/01/2011 :  06:42:50  Show Profile
And welcome to the community! Enjoy your new yacht!
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edguide1
Deckhand

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USA
23 Posts
Response Posted - 07/19/2011 :  15:51:31  Show Profile
Does anyone know where, on what part of the boat, the electrical system is grounded on a 95' 250 WB?
Thanks
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.