<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Allan is correct.<br><br>In a 240V 3-wire system (L-N-L), neutral carries no current with 240V loads. In a *perfectly balanced* 120V system with absolutely equal loads on both L1 and L2, neutral again carries no current. Key here .. absolutely equal loads. Given unequal loads (the norm), the neutral leg carries current.<br><br>Dan<br><br><br>--- On <b>Thu, 5/13/10, Allan Sindelar <i><allan@positiveenergysolar.com></i></b> wrote:<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"><br>From: Allan Sindelar <allan@positiveenergysolar.com><br>Subject: Re: [RE-wrenches] current carrying conductor<br>To: "RE-wrenches" <re-wrenches@lists.re-wrenches.org><br>Date: Thursday, May 13, 2010, 4:51 PM<br><br><div id="yiv1438404712">
Marco,<br>
Seems to me he's right. It carries the net current difference between
L1 and L2 from the transformer to the loads.<br><br>But not having any EE training, I'm willing to learn better.<br><br>
Allan<br>
<br>
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<p class="MsoNormal" style=""><span class="il"><b style="">Allan</b></span><b style=""> Sindelar</b><span style="font-size: 10pt;"><br>
<a rel="nofollow" ymailto="mailto:Allan@positiveenergysolar.com" target="_blank" href="/mc/compose?to=Allan@positiveenergysolar.com"><span class="il">Allan</span>@positiveenergysolar.com</a><br>
NABCEP Certified Photovoltaic Installer<br>
EE98J Journeyman Electrician<br>
<b style="">Positive Energy, Inc.</b><br>
3201 Calle Marie<br>
Santa Fe, New Mexico 87507<br>
<b style="">505 424-1112</b><br>
<a rel="nofollow" target="_blank" href="http://www.positiveenergysolar.com/">www.positiveenergysolar.com</a></span></p>
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<br>
<br>
Marco Mangelsdorf wrote:
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<p class="MsoNormal">I have a disbelieving business partner who
believes that the
neutral conductor in a standard 120/240VAC service is a current
carrying conductor.</p>
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<p class="MsoNormal">Could someone please disabuse him of that notion?</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Thanks,</p>
<p class="MsoNormal">marco</p>
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