<html><body><span style="font-family:Verdana; color:#000000; font-size:10pt;"><div>Seems I heard tell the issue is that moisture causes the paper to rot and turn acidic which will rot out the THHN. <br></div><div> db<br></div><div><br>Dan Brown<br>Foxfire Energy Corp.<br>Renewable Energy Systems<br>(802)-483-2564<br><a href="http://www.Foxfire-Energy.com">www.Foxfire-Energy.com</a><br>NABCEP #092907-44</div><div><br><br></div>
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-------- Original Message --------<br>
Subject: [RE-wrenches] Wet Romex?<br>
From: Ray Walters <<a href="mailto:ray@solarray.com">ray@solarray.com</a>><br>
Date: Sun, September 22, 2013 11:34 pm<br>
To: RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>><br>
<br>
Hi Wrenches;<br>
<br>
This might be slightly off topic for a solar list, but I'm doing some <br>
flood damage work for my sister in Boulder, who's basement was <br>
completely filled with water last week. We stripped all the sheet rock <br>
and carpets, etc. out, and then had a company come in to dry out the <br>
lumber and treat for mold.<br>
Since I'm a licensed electrician, she has asked me to help with <br>
rewiring. All the plastic outlets boxes had about a 1/4 " of mud sludge <br>
in the bottom (now dry), and the receptacles were soaking in the silty <br>
water for about 12 hours too. I think the boxes can just be cleaned <br>
out, but we will definitely replace all the connections, switches, and <br>
receptacles.<br>
The question is: do we need to replace all the NMB wiring as well? I cut <br>
open a section, and the paper is moist, but otherwise no other issues. <br>
I know the THHN inside is wet rated, so what are the issues here? What <br>
purpose does the paper serve, BTW?<br>
Do we tear it all out, or give it a month to dry, and then put all the <br>
circuits on GFI breakers?<br>
I don't want to be unsafe, but I don't want to run the repair bill up <br>
unnecessarily either (insurance is only covering some of the damage)<br>
<br>
Thanks,<br>
<br>
-- <br>
R.Ray Walters<br>
CTO, Solarray, Inc<br>
Nabcep Certified PV Installer,<br>
Licensed Master Electrician<br>
Solar Design Engineer<br>
303 505-8760<br>
<br>
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