<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:arial,helvetica,sans-serif;font-size:12pt">Hi Kristopher:<br> How about not using them. I refer to lightning arrestors as lightning faeries. We install them to make us feel safe. They are there to protect our equipment, but we aren't really sure if they work. They are inexpensive enough to install, but don't really do anything. When I have seen failed lightning faeries they are always next to burned up electronics. They don't have a UL listing, and if they fail, they cause a fault condition. <br> I used to say 'they are an inexpensive first line of defense.' Now I just don't use them.<br> I do find 'Polyphaser' works, though. But they cost almost as much as new equipment. I also think that AC surge suppresion devices are
smart.<br><div> </div>Nick Soleil<br>Project Manager<br>Advanced Alternative Energy Solutions, LLC<br>PO Box 657<br>Petaluma, CA 94953<br>Cell: 707-321-2937<br>Office: 707-789-9537<br>Fax: 707-769-9037<div><br></div><div style="font-family: arial,helvetica,sans-serif; font-size: 12pt;"><br><div style="font-family: arial,helvetica,sans-serif; font-size: 10pt;"><font face="Tahoma" size="2"><hr size="1"><b><span style="font-weight: bold;">From:</span></b> Kristopher Schmid <solman@legacysolar.com><br><b><span style="font-weight: bold;">To:</span></b> RE-wrenches <re-wrenches@lists.re-wrenches.org><br><b><span style="font-weight: bold;">Sent:</span></b> Tue, September 14, 2010 6:29:45 AM<br><b><span style="font-weight: bold;">Subject:</span></b> [RE-wrenches] Delta LAs<br></font><br>
It is quite ironic that just a week after I posted a question to the group<br>on testing the integrity of lightning arrestors, I had one apparently faulty<br>out of the box. The manifest of this was interesting: when the AC LA<br>(LA302R) was connected in parallel on the AC input to a SB3000 inverter,<br>there was 125vac neutral to L1, 125vac neutral to L2, and 1Vac L1 to L2.<br>SMA tech support suggested the LA as the issue and sure enough, it was.<br>Attempting to test good and faulty arrestors with an ohmmeter gave the same<br>result - off scale open.<br><br>Any thoughts or comments from the group?<br><br>Kris Schmid<br><br>Legacy Solar<br>864 Clam Falls Trail<br>Frederic, WI 54837<br>715-653-4295<br><a ymailto="mailto:solman@legacysolar.com" href="mailto:solman@legacysolar.com">solman@legacysolar.com</a><br><a target="_blank" href="http://www.legacysolar.com">www.legacysolar.com</a>
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