[RE-wrenches] MC4s are listed for THWN, right?

[Bryan Norkunas]

Here are the specs for MC4’s being used with wire other than PV wire:

 

PV_SOL-LVDC_(en).pdf <file:///C:\Users\Bryan%20Norkunas\AppData\Local\Microsoft\Windows\INetCache\Content.Outlook\LE5F1RV5\PV_SOL-LVDC_(en).pdf> 

 

 

Bryan Norkunas

bryan at pv-cables.com

PV-Cables Inc. 

989 Milton Ave Ste 1D

Ferndale CA 95536

(707) 923-3000 office

www.pv-cables.com <http://www.pv-cables.com/> 

 

 

 

From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Chris Sparadeo
Sent: Friday, April 23, 2021 8:30 AM
To: RE-wrenches
Subject: Re: [RE-wrenches] MC4s are listed for THWN, right?

 

Also have to appreciate the 8 screws holding that 6x6”. 

 

On Fri, Apr 23, 2021 at 12:13 AM Jay <jay.peltz at gmail.com> wrote:

Yes they are. 

Their rating is based on wire size, number of strands, material, insulation thickness. 

Insulation material isn’t specified. 

Jay 

Peltz power. 

> On Apr 22, 2021, at 7:35 PM, Jason Szumlanski <jason at floridasolardesigngroup.com> wrote:
> 
> 
> I found this gem today while tracking down an AFCI fault. This was one of three strings connected to a Sunny Boy 9000TL. I was surprised at how rare and intermittent the AFCI fault was. The THWN pulled out effortlessly. 
> 
> I was surprised because usually I spend many hours tracking down AFCI problems only to find out it's a bad inverter. 
> 
> Jason
> 
> 
> 
> <20210422_123715-resized-1024.jpg>
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