[RE-wrenches] 1000 Vdc

[John Berdner]

Nathan:

You can find 1000 V rated PV wire from a number of sources.
A simple google search for "UL4703 PV Wire" will yield several choices.
PV wire is approved for use  in conduit but you will need to calculate the conduit fill factors manually since the outside diameter is larger than the "standard sized wires"

Conduit is not an issue @ 1000V but switchgear, combiners and fuses are a bit harder to find (but not impossible).
Not sure of the specifics of the system so it is hard to make detailed recommendations.

Best Regards,

John Berdner
General Manager, North America

SolarEdge Technologies, Inc.
3347 Gateway Boulevard, Fremont CA 94538 USA  (*Please note of our new address.)
T: 510.498.3200, X 747
M: 530.277.4894

From: re-wrenches-bounces at lists.re-wrenches.org [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Nathan Stumpff
Sent: Friday, March 29, 2013 12:09 PM
To: re-wrenches at lists.re-wrenches.org
Subject: [RE-wrenches] 1000 Vdc

Wrenches,

This is an offshoot in a way to the Cable Tray discussion, but until there are Brits running my permit office...

I am considering pitching a 1,000 Vdc system to my AHJ, and it seems like the solar components (modules, inverters, combiners, array wire) are the easy part in a lot of ways.

We use Cerro XHHW-2 for basically all of our wiring outside of an array, and it is clearly marked 600 V. Does anyone have a good resource for wire, conduit, fittings, junction boxes, etc. that carries a 1000 Vdc rating? Does anyone know of a 1,000 Vdc rated PV Wire that can be run in conduit in a building?

Any info appreciated, thanks,
-Nathan

--
Nathan J. Stumpff
NABCEP Certified PV Installer #091209-175
NABCEP Certified Solar Heating Installer #032412-14
Project Manager | Arctic Sun, LLC
nathan at arcticsun-llc.com <mailto:nathan at arcticsun-llc.com>  | (907) 457-1297
www.reina-llc.com<http://www.reina-llc.com> | www.arcticsun-llc.com<http://www.arcticsun-llc.com/>
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