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<p>I brought this very question up a couple of years ago here.
IMHO, it needs to be in conduit. I have not found NEC exemptions
for DC battery cable. We modded the cabinet, so that we could put
a 2" KO on the side, and ran conduit straight to it. Everything
is accessible from the top and front, so I don't see the need to
having it roll away from the wall. We ended up also relocating the
buss block inside, because it was really hard to get to, to torque
the connections. I can share our mods, if you're interested. <img
src="cid:part1.E4A5AB4A.EA58D933@solarray.com" alt=""
width="480" height="546"></p>
<p><br>
</p>
<pre class="moz-signature" cols="72">Ray Walters
Remote Solar
303 505-8760</pre>
<div class="moz-cite-prefix">On 6/5/21 1:41 PM, Kirk Herander, VSE
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:Mailbird-eaf782a2-5593-4fab-97e3-50aa4db3f0aa@vermont.solar">
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<div id="__MailbirdStyleContent" style="font-size:
12pt;font-family: Arial;color: #000000;text-align: left"
dir="ltr">Hello All,
<div>I've now done several Blue Ion, both 48vdc and HV storage
systems. Those with experience know that the 2.0 cabinet DC
cabling comes out the back of the unit. In my 48v off-grid
installs I've used DLO/RHW-2 into a wireway, making a DC bus
with power distribution blocks, then to inverter, etc. I loop
and support the cable from the back of the battery cabinet,
allowing extra should I ever need to move it(it's on casters)
to access the back for servicing.</div>
<div><br>
</div>
<div>The current BI 48v system I am building is commercial
grid-tie and requires AHJ inspection. Is having RHW-2 cable in
free air from the cabinet to a wireway NEC-legal (i.e. without
conduit)? Obviously if conduit is needed, it eliminates
looping and an easy roll of the cabinets away from a wall for
service.</div>
<div><br>
</div>
<div>Thanks. I await the opinion of of the BI gurus of this
forum. Found references on Mike Holt's forum to DLO/RHW-2 and
conduit requirement, but no consensus one way or the other.<br>
<div><br>
</div>
<div class="mb_sig">
<p class="MsoNormal" style="font-family: Arial;font-size:
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