Grundfos submersible pump compliance with NEC [RE-wrenches]

Randy Brooks Randy at BrooksSolar.com
Sun Apr 20 08:39:44 PDT 2008


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Bob,

I believe there is provision in the WA code to use a non-listed  
component if no listed component is available for that specific  
purpose.  You might ask the inspector about that.  The next  
alternative would be to have Intertek come and "field inspect" the  
system and certify the installation to UL/ETL standards.  This is  
expensive, but possible.

Good luck!

Randy Brooks
Brooks Solar, Inc.
Solar Power for People
140 Columbia View
Chelan, WA  98816
509-682-9646
info at BrooksSolar.com
www.BrooksSolar.com

On Apr 17, 2008, at 10:49 PM, Bob Clark wrote:

>
> Matt, et. al:
>
> This is a high-voltage, low-amperage system--unfortunately.
>
> Tomorrow, we are "correcting" all of the other "issues" the  
> inspector noted,
> and awaiting responses from Grundfos and a Washington State Grundfos
> distributor (with not much hope of resolution).
>
> Hmmm.  Installing a "standard AC" pump for the inspection . . .  Do  
> you mean
> an AC pump and inverter with UL listing?  How does this make sense  
> with a DC
> solar array and no inverter?  The inspector is savvy enough to see  
> through
> this ruse.
>
> I will keep you wrenches posted, but I think this will be a  
> disaster for us
> and our client unless the inspector, by some miracle, changes his  
> mind and
> accepts the CE rating in the Grundfos literature.
>
> Bob Clark
> SolarWind Energy Systems, LLC
> bclark at solar-wind.us
>
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