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Electrical Connection Protection

Old 05-11-2008, 04:51 AM
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Default Electrical Connection Protection

I leave my boat at a marina and I take my dash mounted electronics with me. This leaves several electrical connector pigtails open for corrosion. For those of you who don't leave your equipment on board, what do you use to keep electrical connections from corroding? Dielectric Grease, CorossionX, a CRC product? Any suggestions welcome.

Old 05-11-2008, 05:07 AM
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Default RE: Electrical Connection Protection

Corrsion Block works for me.

http://www.corrosion-control.com/corrblock.html

Old 05-11-2008, 07:10 AM
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Default Re: Electrical Connection Protection

Finger cots for longer storage. These look like little prophylactics, get them at a drug store.
Old 05-11-2008, 08:08 AM
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Default Re: Electrical Connection Protection

Make sure the power is dead to the pigtail when left open and exposed. That will help with at least part of the corrosion problem on the power cord side. Boeshield T-9 spray has helped to control my pigtail corrosion to a great degree.

Would'nt it be nice to have some dummy plugs that help to seal the open pigtail ends!
Old 05-11-2008, 12:41 PM
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Default Re: Electrical Connection Protection

Now dummy plugs.. That's a great idea! I'll contact Raymarine and see what they say.

They give you a cap for the radar connetor, but not the others. Thanks for the input!
Old 05-12-2008, 03:59 PM
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Default Re: Electrical Connection Protection

I contacted Raymarine technical support and here is the response I was given:
"We do not have dummy plugs for the other cables, only for the radar. As for a suggestion on how to keep the cables dry I would think almost any waterproof material would work even a small plastic bag over each connector."

Looks like plan B - "Finger Cots" - get the job.

Thanks for the input.
Old 05-12-2008, 06:45 PM
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Default Re: Electrical Connection Protection

I just spray mine with CRC after every use, they last forever. I also spray the connectors on the electronics before I put them away. Putting a dummy plug on the exposed cables may not be a good idea. During the day when it gets hot the air will expand and push out of the connector assembly, in the evening when it cools down cool moist air will be draw into the connector assembly and the result will be a wet connector.

Just spray them and forget them.

Jim
Old 05-12-2008, 07:00 PM
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Default RE: Electrical Connection Protection

Spray the connector with your favorite corrosion spray. Spray some more on a folded paper towel. Place the towel in a sammich baggy and place over the pigtail Short term secure with rubber band. Long term a wrap of tape. Then cover the whole dash with a cover or canvass.

Very very very good advise to kill all power.
Old 05-12-2008, 08:33 PM
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Default Re: Electrical Connection Protection

I would recommend against covering the open connectors with anything. The problem is that you trap moist air. When the temperature changes from hot in the day to cool at night, the water vapor in the trapped air condenses out.

Removing all the air is close to impossible.

And then even if you do manage to remove all the air, water has a tendency to get into things. If you "waterproof" something more often than not it means water can get in but not out.

What I do is cover the open connectors in such a manner that they are out of direct rain, but not totally "sealed" so that air can circulate. This way there is no condensation issues.

I also add a light coat of corrosion block. This oil does not conduct electricity (will not short anything) and blocks corrosion.
Old 05-13-2008, 01:25 PM
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Default Re: Electrical Connection Protection

sandyda - 5/11/2008 10:10 AM

Finger cots for longer storage. These look like little prophylactics, get them at a drug store.
That's a lot better than the sandwich bags I used to use!

And dielectric grease on the plugs and sockets is a good idea also.
Old 05-14-2008, 06:31 AM
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Default Re: Electrical Connection Protection

rwidman - 5/13/2008 4:25 PM

sandyda - 5/11/2008 10:10 AM

Finger cots for longer storage. These look like little prophylactics, get them at a drug store.
That's a lot better than the sandwich bags I used to use!

And dielectric grease on the plugs and sockets is a good idea also.
Lowrance recommends dielectric grease.

Ken

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