[RE-wrenches] Ground Mount Screening

[Dave Click]

How about hardware cloth along the back of the array beneath the rails? 
I think that's been suggested on this list before.

-------- Original Message --------
Subject: [RE-wrenches] Ground Mount Screening
From: Drake <drake.chamberlin at redwoodalliance.org>
To: RE-wrenches <re-wrenches at lists.re-wrenches.org>
Date: 2010/10/21 12:34

> Hello Wrenches,
>
> We are installing a ground mount system with Enphase inverters. 690.31
> requires readily accessible source and output conductors OPERATING at
> over 30 volts to be installed in a raceway. The Vmp of the REC230PE
> modules is 29.4 volts. Of course it would go higher in cold weather. Do
> I have any argument that would allow us to not install the DC conductors
> in a raceway?
>
> The NEC Handbook comments "Most PV modules do not have provisions for
> attaching raceways. These circuits may have to be made "not readily
> accessible" by use of physical barriers such as wire screening".
>
> I have heard of a green screening material that has been used on the E,
> W and N sides of ground mounts to render the area not readily
> accessible. Does anyone know what this is? What else would work that
> would be more cost effective than running a chain link fence around the
> array?
>
> Thanks,
>
> Drake
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