[RE-wrenches] Surge protector update?

jay peltz jay at asis.com
Sat Aug 1 08:14:05 PDT 2009


Depends on who built the system.

If a UL integrator builds it, the  UR works.

If I build it as joe electrician, then no the UR does not work and  
could compromise the code compliance because of it.

At least this is what I was told by a "UL" shop.

jay

peltz power
On Aug 1, 2009, at 8:06 AM, <holtek at sbcglobal.net> wrote:

> 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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