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fuifnummer
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Join Date: Nov 2007
Location: Newtown Square, PA
Posts: 55

Cable Type to Connect PV Panels Together

02/09/2011 2:23 PM

Hi

I connected my PV Panels with the following cable:

16 AWG (1.31 mm2) SOOW E54864-L (UL) 600Volt - 40 to 90C CSA LL 39753 (L) FT2 Water resistant 07-KA070018-1 MSHA

Apparently, although the temp range is -40 to 90 Celsius, this is still the wrong cable as it seems to deteriorate over time when exposed to the sun.

So my question is which cable type can I use for this purpose.

As always much appreciated.


Fuif
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Pathfinder Tags: Connecting PV panels
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Johny451
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Join Date: Aug 2008
Location: Melbourne, Australia
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Good Answers: 32
#1

Re: Cable Type to Connect PV Panels Together

02/09/2011 10:27 PM

The professionals put their cables in conduit or under the roof cladding so they are not exposed to sunlight.

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WJMFIRE
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Join Date: Apr 2009
Location: USA, Florida
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#2

Re: Cable Type to Connect PV Panels Together

02/10/2011 1:32 PM

If you must have your cable exposed, use a Tray Cable rated for exterior use. This will hold up for years.

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fuifnummer
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Join Date: Nov 2007
Location: Newtown Square, PA
Posts: 55
#3

Re: Cable Type to Connect PV Panels Together

02/17/2011 1:42 PM

Thanks guys.

However I need the cable to be approved by the inspector. So I was hoping that someone would know what cable is to code in PA.


Fuif
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WJMFIRE
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Location: USA, Florida
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#4
In reply to #3

Re: Cable Type to Connect PV Panels Together

02/17/2011 4:07 PM

This tray cable (http://www.usawire-cable.com/pdfs/TC%20EPR_CPE%203%20CONDUCTOR%20W_G.pdf) is exactly what you need. It is outdoor rated and will meet your local code anywhere in the USA due to it's flame rating. You only need to select the proper gauge for your application. Oh BTW, the data sheet shows 3 conductor with a ground, you probably only need 2C with ground. Call the manufacturer and ask them for the correct part #.

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fuifnummer
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Join Date: Nov 2007
Location: Newtown Square, PA
Posts: 55
#5
In reply to #4

Re: Cable Type to Connect PV Panels Together

02/23/2011 6:40 PM

Great I haven't been able to contact them yet but I will try again. More to come.

Thanks
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