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<p><font face="Verdana">I think <font face="Verdana">the factorsÂ
you h<font face="Verdana">ave to con<font face="Verdana">sider
include:</font></font></font></font></p>
<p><font face="Verdana"><font face="Verdana">-</font> the number o<font
face="Verdana">f con<font face="Verdana">ductors in the <font
face="Verdana">trench, <br>
</font></font></font></font></p>
<p><font face="Verdana"><font face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana">-</font>are they <font
face="Verdana">in a jacketed cable, <br>
</font></font></font></font></font></p>
<p><font face="Verdana"><font face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font face="Verdana">-are
they </font>sep<font face="Verdana">arate conductors,
<br>
</font></font></font></font></font></font></p>
<p><font face="Verdana"><font face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font face="Verdana"><font
face="Verdana">-are they</font> considered "closely
bundled"<font face="Verdana"><font face="Verdana">,</font>
<br>
</font></font></font></font></font></font></font></p>
<p><font face="Verdana"><font face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana">-w<font face="Verdana">hat is </font></font>the
distance of the conductor <font face="Verdana">system
once it exits the <font face="Verdana">ground
before entering a conditioned space<font
face="Verdana">, and will it be in <font
face="Verdana">conduit.</font></font></font></font></font></font></font></font></font></font></font></font></p>
<p><font face="Verdana"><font face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana"><font face="Verdana"><font
face="Verdana">Ch<font face="Verdana">r<font
face="Verdana">is</font></font></font></font></font></font></font></font></font></font></font></font></font></font></font><br>
</p>
<br>
<div class="moz-cite-prefix">On 8/5/2017 5:36 PM, Corey Shalanski
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CA+SmqZ0GUHEQOu0kH+pPWmFuZTtT8g0sSB4xe8cdqH-_2=Fr1g@mail.gmail.com">
<div dir="ltr">How should we treat direct burial wires in a trench
for ampacity derating purposes?
<div>- Should they be considered "in a raceway or cable"? [NEC
310.15(B)(3)(a)]</div>
<div>- If it is determined that "spacing" must be maintained,
what minimum spacing is acceptable/permissible?</div>
<div><br>
</div>
<div>I would be interested to hear what means and methods others
have used to deal with this issue.</div>
<div><br>
</div>
<div>--</div>
<div>Corey Shalanski</div>
<div>Joule Energy</div>
<div>New Orleans, LA</div>
</div>
<br>
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<pre class="moz-signature" cols="72">--
Christopher Warfel, PE
Entech Engineering, Inc.
401-466-8978</pre>
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