Installation details [RE-wrenches]

matthew tritt solarone at charter.net
Wed Nov 27 08:46:34 PST 2002


David,
 Isn't this mixing separately derived power sources? I thought that was a
big no-no.

Matt
----- Original Message -----
From: "David Henry" <david at harmonyfarm.com>
To: <RE-wrenches at topica.com>
Sent: Wednesday, November 27, 2002 8:35 AM
Subject: Re: Installation details [RE-wrenches]


> Max,
>
> We have been doing this on all multiple Sunny Boy installs, very
> clean. Per a C-10 who has done lots of commercial work for me, the
> mixing of various voltages of AC & DC (eg. 48 or 300 VDC, 120 or 240
> VAC) in the same can is OK as long as the insulation on the wire used
> has the same rating. For example as long as you use THHN 600 volt,
> 105 deg. C rated wire for everything it's OK.
>
> Any codemeisters want to take a shot at this one?
>
> Regards,
> David Henry
> Harmony Farm Supply
> 3244 Hwy 116 N., Sebastopol, CA 95472
> 707-823-9125 X14 voice
> 707-823-1734 fax
> david at harmonyfarm.com
> www.harmonyfarm.com
>
> >Graham, I was looking at the layout for the 2500's. It appears that they
are
> >mixing the ac / dc wiring in the gutters. Do you know if they had
barriers
> >in the gutter, or do they occupy the same space?? I have had discussion
with
> >inspectors over the issue of a gutter below the inverter that takes the
> >ac/dc feeds in and out of the inverter. The wires are in the same space
once
> >they enter the inverter enclousure so why not allow  a gutter below the
> >inverter that makes a convienient and clean way to feed both ac and dc
from
> >the conduit runs into the inverter?? This works well as in this install
with
> >multiple inverters.......
>
>
> --
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