600 VDC switches [RE-wrenches]

[Bill Brooks]

John,

If we are going to use the metallic conduit idea, it is going to have to be
rigid conduit and would have to have a limit to how far it could run
horizontally. Essentially this is what utilities do when they bring in a
service thru a weatherhead. It should be one option.

Bill.


-----Original Message-----
From: jberdner at sma-america.com [mailto:jberdner at sma-america.com]
Sent: Friday, September 20, 2002 5:39 PM
To: RE-wrenches at topica.com
Subject: RE: 600 VDC switches [RE-wrenches]


Wrenches:

As an alternative how about metallic conduit inside the building
envelope.

If you have any questions, or if I can be of any further assistance,
please do not hesitate to contact me.

Best Regards,

John Berdner

snip....

John,

I know you have been working on some options for 600 Vdc disconnect. Do
you
have any new information or products that might work better?
Incidentally,
there is a move afoot from the Fire Marshalls to require roof-mounted
disconnects for system that have DC wiring internal to the building.
This is
already a code requirement in the 2002 code, but it is rarely enforced.
If
we are going to put 600Vdc disconnects on roofs, they need to be
compact.
The Outback box is nice and low profile, do you have any other
suggestions?

Bill.

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