[RE-wrenches] DC conduit with AC secondary?

[Benn Kilburn]

Adam,
My Canadian Electrical Code requires "separation" between conductors of
different "systems".  I believe the NEC is the same/similar.
You may notice a flimsy (yet stiff) paper(?) barrier between the AC and DC
wiring areas in some AC/DC inverter disconnect enclosures.... assume this
is sufficient as the inverter (should be) certified as such.
In a raceway or "gutter" box, i've been given the ok from electrical
inspectors to bundle and keep the AC and DC wire bundles separate from each
other.
In a trench, since you are running separate conduits, that could be
sufficient, otherwise the separation could easily be a layer of dirt or
perhaps a pressure treated plank.

Good Luck.

*Benn Kilburn *
Partner, CSA Certified Solar Photovoltaic Systems Electrician, SkyFire
Energy Inc
6706 – 82 Ave NW | Edmonton, AB | T6B 0E7
M: 780-906-7807 P: 780-474-8992 | F: 888-405-5843 | www.skyfireenergy.com
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On Mon, Oct 5, 2015 at 8:45 AM, AE Solar <autonomousenergies at gmail.com>
wrote:

> Wrenchers,
> Anyone know of code violations associated with running DC conduit in the
> same trench as conduit for AC secondary? Is that allowed? Bad practice even
> if allowed?Thanks
> Adam
>
> Adam Katzman
> Autonomous Energies
> 4872 State Route 9G
> Germantown NY, 12526
> www.autonomousenergies.com
> (518) 567-1468
>
>
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