<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Best bet is to contact the manufacturer of the equipment and get documentation. <br><br>Typos courtesy of my iPhone. </div><div><br>On Dec 19, 2013, at 2:16 PM, "SunHarvest" <<a href="mailto:eric@harvesthesun.com">eric@harvesthesun.com</a>> wrote:<br><br></div><blockquote type="cite"><div>
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<div><font size="2" face="Arial">Hi guys -</font></div>
<div><font size="2" face="Arial"></font> </div>
<div><font size="2" face="Arial">Concerning the 120% rule: I've encountered several
circumstances recently where a 400A nameplate-rated (listed on inside label)
main panel has two 200A main breakers. One of the breakers will be feeding the
busbar in the main and the other will feed a subpanel. I had previously thought
the main busbar is rated at the nameplate rating (400A in this case) regardless
of quantity of main breakers. My lead electrician says the main busbar in
these types of panels is derated to 200A because of the split. However, I have
two other reliable electrician friends who disagree with my lead electrician.
One of my C10 buddies says it depends on whether or not the busbar in the main
is broken up into 2 sections (200A) or it is continuous (400A). Can anyone clear
up, beyond doubt, our disagreement?</font></div>
<div><font size="2" face="Arial"></font> </div>
<div><font size="2" face="Arial">Thanks!</font></div>
<div><font size="2" face="Arial"></font> </div>
<div>Eric Stikes<br>SunHarvest<font size="2" face="Arial"></font></div>
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