Installation details [RE-wrenches]

[matthew tritt]

Bob-O,

Yeah, but this is an inter-tie system with much higher voltages, since there
is no DC output, just AC, so this is mixed DC/AC in the same enclosure. Is
that legal (or safe)?

Matt
----- Original Message -----
From: "Bob-O Schultze, Electron Connection" <econnect at snowcrest.net>
To: <RE-wrenches at topica.com>
Sent: Wednesday, November 27, 2002 8:15 AM
Subject: Re: Installation details [RE-wrenches]


> Max,
> Really good point. I've put them both in the same gutter in a
> multiple inverter system before with no beef from the inspector, but
> the 690 part forbidding PV input and output circuits in the same
> chase can be interpreted to disallow that practice. Personally, I've
> always read it as not wanting DC output circuits in the same run as
> PV inputs which would be at a somewhat higher voltage. It's ANOTHER
> of those goofy 690 rules that are ill defined and unsupported by
> facts.
> BOb-O
>
> >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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