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Also, you didn't specify, but AC and DC are specifically allowed in
the same raceway per 300.3(C)(1). Only If the DC circuits are PV
source or output circuits, then 690.31(B) prevails, which says they
can't share a raceway. But again, as Chris mentions, this
restriction does not apply to direct burial. <br>
<pre class="moz-signature" cols="72">R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760</pre>
<div class="moz-cite-prefix">On 12/28/2016 12:58 PM, Chris Mason
wrote:<br>
</div>
<blockquote
cite="mid:CAG6C1qnteOmp4PkEiHxstxCXC=BLmqKauH3n07sWGSc-Mjq6nw@mail.gmail.com"
type="cite">
<div dir="ltr">No problem with same trench, the requirements are
that they are not in the same raceway.</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Wed, Dec 28, 2016 at 1:37 PM, Corey
Shalanski <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:corey@joule-energy.com" target="_blank">corey@joule-energy.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">For some upcoming utility-scale projects our
design team is wondering about placing direct-bury AC and
DC circuits in the same trench.
<div>- Firstly, is this even <i>Code</i>-permissible?</div>
<div>- Secondly, are there any common sense reasons
(induced voltage/signal interference/etc) for not doing
this?</div>
<div><br>
</div>
<div>Thanks,</div>
<div>Corey Shalanski</div>
<div>Joule Energy</div>
<div>New Orleans, LA</div>
</div>
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<div dir="ltr">Chris Mason
<div>
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