Lightning Arrestors? [RE-wrenches]

Darryl Thayer daryl_solar at yahoo.com
Wed Oct 3 21:44:26 PDT 2007


Hi all
My latest Outback has an Outback lightning arrestor,
it is required by UL I understand since May,  It is
not a spark gap but a Varistor type, and it has
indicator lights that tell status of the protection. 
This unit protects both the AC and The DC side (the
current carring conductors on both AC and DC)  With
this lightning protection, the battery can float and
the GFDI can function normally.
Daryl
 
--- August Goers <august at luminalt.com> wrote:

> 
> All -
> 
> One of Darryl Thayer's recent posts brought up a
> question for me regarding
> lightning arrestors. 
> 
> Does anyone have field experience with lightning
> arrestors actually working
> and saving any part of a system? How many of you
> folks out there have seen
> what lightning actually does to a system with or
> without a lightning
> arrestor?
> 
> I've always been under the impression that the only
> way to properly
> lightning protect a system is to setup a heavy duty
> grounding electrode
> system consisting of a supplementary ground
> electrode located close to the
> PV array. 
> 
> -August
> 
> Luminalt
> 
> 
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> 
> 



       
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