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Old 12-26-2009, 08:46 PM   #1
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Green liquid on sealing wires?


I'm replacing all my ceiling fixtures and I'm seeing green liquid on the wires that mostly wipes of is this condensation? The fixtures are old (60's) and not insulated like the new ones should I put anti-oxidant on the wires or will it be ok with insulated fixtures?


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Last edited by rodm1; 12-26-2009 at 09:49 PM.
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Old 12-26-2009, 09:30 PM   #2
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What is a sealing fixture? Do you mean ceiling?
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Old 12-27-2009, 06:40 AM   #3
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What you describe sounds like moisture on copper wires(oxidation). There should be no moisture in electrical boxes in a house. Is this in a bathroom or in the ceiling under an attic?? If a bathroom, you need an exhaust fan, if any other room, you need to investigate and fix the moisture problem.
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Old 12-27-2009, 07:44 AM   #4
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Quote:
Originally Posted by rodm1 View Post
I'm replacing all my ceiling fixtures and I'm seeing green liquid on the wires that mostly wipes of is this condensation? The fixtures are old (60's) and not insulated like the new ones should I put anti-oxidant on the wires or will it be ok with insulated fixtures?


Jim Port, Thanks
It might be the conductor insulation breaking down.
I seem to recall seeing this once, but I don't remember what the cause was, or the remedy.
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Old 12-27-2009, 07:44 AM   #5
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Well the one with the most oxidation whose the fixture in the hall close to the kitchen (no kitchen vent and all the heat goes there). It actually had me concerned, there whose a taped wire splice that had corroded with a pig tale going to the light where the wire melted threw I cut that part out.

The rest of them where miner compared to the kitchen hall light even the kitchen wasn't bad.

The home has a flat roof (60's) the ceiling I think is just a few feet from the roof (no crawl space) and has blown insulation up there. I'm assuming I need to vent the kitchen but no idea on what to do about the the rest of the house?
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