[RE-wrenches] Surge protector update?

holtek at sbcglobal.net holtek at sbcglobal.net
Sat Aug 1 08:06:03 PDT 2009


Dumb question:
Since the LA is not UL listed, does that void the UL listing on the entire 
system? It's my undrstanding that *all* components are required to be UL 
listed to make the system such.
Holt E. Kelly
Holtek Fireplace & Solar Products
500 Jewell Dr.
Waco TX. 76712
254-751-9111
www.holteksolar.com

----- Original Message ----- 
From: "Richard L Ratico" <Richard.L.Ratico at VALLEY.NET>
To: <re-wrenches at lists.re-wrenches.org>
Sent: Saturday, August 01, 2009 5:49 AM
Subject: Re: [RE-wrenches] Surge protector update?


> Weighing in ...
>
> 1)At a recent SMA Inverter Training, we were cautioned that the Deltas 
> were not
> UL listed. Like many of us, I was already well aware of that. What was
> interesting, was the trainer specifically recommending we NOT use them, 
> for
> reasons related to liability.
>
> 2)At a different training, by a well respected professional engineer who
> frequently posts here, they were judged to likely be as effective in 
> preventing
> damage as a voodoo doll.
>
> 3) If one "ruptured" while someone happened to be standing in front of
> it........
>
> 4) Why aren't they UL listed?
>
> Dick
> Solarwind Electric
>
> You wrote:
>> North Texas Renewable Energy Inc wrote:
>>> August
>>> I made a service call to a residential PVinstallation several years ago
>>> that I did not install. The vintage Trace, size I don't recall, had quit
>>> working. The Delta surge suppressor had actually ruptured along it's
>>> radial seam, a result I had always heard indicates a surge being
>>> absorbed.
>>
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