approved disconnects [RE-wrenches]

Joel Davidson joeldavidson at earthlink.net
Tue Apr 3 20:07:53 PDT 2001


I think that the recent CEC clarification of grid connection to allow
system interconnection on either side of the customer's electrical meter
opens the door for use of a main disconnect. As an industry, we should
work toward as few disconnects as are needed. The
"separate-manual-lockable-disconnect" rule makes sense only if there are
no existing lockable disconnects, but most PV systems already have one or
two. Southern California Edison does not require a separate additional
switch. SCE (thank you Wayne Gould) agreed that they could always pull
their meter if they ever needed to physically disconnect a net metered PV
system from the grid.

carl reuter wrote:

> Concerning the disconnect that PG&E requires; does anyone know if it
> would be acceptable to use the disconnect that is the main service
> entrance, which is a lockable and located at the pole and disconnects
> the entire house from the utility, or do I need a dedicated lockable
> disconnect? It would sure save a lot of energy on this particular job
> to tie into the customers manual transfer switch(for
> generator,located in garage)instead of all the other stuff I'd need
> to provide a separate one.Carl Reuter
>
> =====
> Land and Sea Solar, Renewable Energy Systems.
> www.landandseasolar.com
> carl at landandseasolar.com
>  Phone:831-252-5040
>
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