AC/DC in Same Conduit? [RE-wrenches]

[Dana Orzel]

If it is 600 volt rated wire [for the DC] our inspector has no problem as
long as it is not DC in coming from the array[s]. However we have seen RF,
so use shielded and grounded cable.
"Responsible Technologies For Responsible People."
Dana Orzel  -   slrwrk at ocinet.net
Great Solar Works, Inc.    -   Ridgway, CO
970.626.5253    -    solarwork.com


----- Original Message -----
From: "Todd Cory, Mt. Shasta Energy Services" <toddcory at jps.net>
To: <RE-wrenches at topica.com>
Sent: Thursday, July 11, 2002 2:45 PM
Subject: Re: AC/DC in Same Conduit? [RE-wrenches]


> I'd like to run e-meter wiring in the same conduit as the inverter output
to the
> house wires (120')... mind you that adding another conduit would involve
cutting
> a trench through a cement driveway... sigh. That is why I am tempted to
"do it
> anyway" especially since no inspector will see this job and nit pick at
that.
>
> Speaking of which, do any wrenches know what gauge wire I am going to have
to
> run that distance to get the e-meter to work. I remember a conversation
about
> this way back, but the details are long gone.
>
> Todd
>
>
> Bill Brooks wrote:
>
> > David,
> >
> > The only concern I would have with a 500' run of DC and AC is the
potential
> > for harmonic coupling of the AC with DC circuit. I've never tried it so
I
> > can't say it would even happen, but it seems questionable at best and it
> > seems that it could cause the inverter to operate in a funky manner. The
> > other option would be to put the inverter out at the array so there is
only
> > AC in the conduit. Would this work for you. I know the DC side is higher
> > voltage and would be better to run the longer distance, but this seems
like
> > an exception to that rule.
> >
> > Bill.
>
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