MC connectors, warranties and PV system life [RE-wrenches]

[Nick Nicholas, APS]

Hi Phil:
    After referencing the Del City Catalog, I noticed that the aluminum wire
loom clamps need to be bolted or screwed to the module frames.  This seems
like a strong, long lasting solution for wire management, however, it can
not be as quick as the steel clips being discussed.  A three Kw Array can be
clipped up in 15 minutes, and most of the wiring is not visible, because it
is hidden within the module frames.
    I have photos of a systems utilizing this method of wire management.
The photos are of systems utilizing the Unirac- Large Array Mounting System
(U-LA.)  All of our prepackaged installed systems utilize either this
mounting system or a roof mount system.
 http://www.alternativepowersystems.com/portfolio_f6.html

Nick Nicholas
Alternative Power Systems
www.alternativepowersystems.com
aps at sbcglobal.net
135 Colfax Ave.
Grass Valley, CA 95945
(530) 274-0588 phone
(530) 274-0589 fax
----- Original Message -----
From: "Phil Undercuffler, Positive Energy" <phil at positiveenergysolar.com>
To: <RE-wrenches at topica.com>
Sent: Wednesday, February 05, 2003 8:37 AM
Subject: Re: MC connectors, warranties and PV system life [RE-wrenches]


>
> ----- Original Message -----
> From: "Doug Pratt" <dpratt at pacific.net>
> Subject: RE: MC connectors, warranties and PV system life [RE-wrenches]
>
>
> > Someone mentioned that Energy Outfitters and others are offering a
> > "clip" to support and retain the MC cables.
>
> We've used neoprene jacketed aluminum wire loom clamps for the past year
> with good success.  Vendor is Del City, (800) 654-4757.  They also have a
> stainless steel version, if you need.  Their part #2808  (2008-9 in
> stainless) is the perfect size to clamp an MC connector tight.  $12.30/100
> in aluminum, $27.21 in stainless.
>
> (A UV-resistant zip tie that's
> > going to last 20 years? If you believe that, I've got a bridge to sell
> > you...)
>
> I've gone back to systems after 3 years in the New Mexico sun and seen
black
> "UV-resistant" zip ties snap when touched.  I've also seen the black
plastic
> locknuts that ship with BP module cable glands split into quarters on the
> same array.
>
> Mother Nature always wins.
>
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