MC PV closure [RE-wrenches]

[Bob Maynard, Energy Outfitters]

Graham,

We installed an MC Cable production line several months ago using the
compressed air crimper.  I just reviewed all the literature provided with
this equipment and it states "using tinned wire may be advantageous".  That
doesn't sound like a requirement to me but I will dive into this more
tomorrow and keep you and the list updated.  The MC hand tools are a huge
investment and several dealers are buying our ready made cables.

Regards,
Bob Maynard
Energy Outfitters
800-GO-SOLAR

-----Original Message-----
From: Graham Owen [mailto:graham at solarexpert.com]
Sent: Wednesday, November 20, 2002 4:26 PM
To: RE-wrenches at topica.com
Subject: RE: MC PV closure [RE-wrenches]


Bob,

It certainly would be nice to only install UL listed components,
especially ones that have current passing through the center of them.  I
will most likely use the MC clamps to keep the kid in the future who is
pulling a ball or other object out from under an array from also pulling
apart a connection.  I had been using flex conduit between modules, but
that is not UL compliant.  Short of putting EMT with a path to ground on
each section between modules, I don’t know of a better way?

I had been thinking about purchasing the tools to make my own MC's and
the instructions state that the wire must be tinned.  I have samples
from other sources, which I pulled appart, and the wire is not tinned.
This is probably not UL compliant?

Graham

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