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Old 07-04-2018, 16:17   #1
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Join Date: Dec 2008
Location: cruising Mexico
Boat: Searunner 37 trimaran, Islander 34
Posts: 294

hey all,

at some point, every through-hull, deck fitting, stanchion and chainplate on my 1970 Islander 34 was bonded together. over the years that system has fallen into disrepair (and been repaired with sub-standard materials by well-meaning PO’s), and now I’d say less than half of the bonded items have decent electrical connectivity between them.

what’s the modern thinking on bonding? googling around I see a lot of different opinions... sooner or later I’m going to have to redo most of the wiring in the electrical locker anyway, should I be planning on re-bonding everything or ripping all that old wiring out?

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Old 07-04-2018, 17:21   #2
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Re: bonding

Originally Posted by drew23 View Post

what’s the modern thinking on bonding? googling around I see a lot of different opinions...

opinions differ...

keep in mind most bonding guidelines were designed to make the boat safer. and not necessarily for corrosion prevention.

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Old 07-04-2018, 18:18   #3
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Re: bonding

There’s are good article about it on the West Marine site. I definitely would read up on it over listening to a bunch of Internet forum posters and make up you own mind.
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Old 08-04-2018, 03:45   #4
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Re: bonding

Can you see any signs of corrosion around any of the bonded or "poorly bonded" fittings?
My personal experience & humble opinions-feel free to ignore both
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