[RE-wrenches] Tranformless inverter

[Drake]

I also received this advertisement.  Previously I had investigated 
the smaller SMA transformerless inverters, and was told that this 
type would not be allowed in the US until the 2011 code.  Has the ban 
been lifted?



At 12:52 AM 9/29/2010, you wrote:
>Wrenches:
>
>I received an advertisement from a distributor that SMA is now 
>shipping 8, 9 and 10 KW transformerless inverters.  Don't these 
>require double insulated PV wiring and no connection  to ground on 
>the AC side? It's been too long since this subject last crossed my 
>desk and I want to refresh my memory on the specifics.
>
>William Miller
>
>
>Please note new e-mail address and domain:
>
>William Miller
>Miller Solar
>Voice :805-438-5600
>email: william at millersolar.com
>http://millersolar.com
>License No. C-10-773985
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