[RE-wrenches] Commercial backfeed

[Lorenzo Ortiz]

Yep, all the rules still apply, But with 480 you get far more leeway as far
as breaker size with the square-root factored in.

On Mon, Nov 5, 2018 at 7:07 AM, frenergy <frenergy at psln.com> wrote:

> Hey folks,
>
>             I've been asked to inter-tie a system to a 600 amp 480V delta
> panel.  Do all the same rules apply (Backfeed max 20%, keep inter-tie
> breaker farthest from panel grid feeders, anything else??).  Proposed
> system size is about 35-40KW.  Its actually a bazillionaire's residence.
>
> TIA
>
> Bill
>
> Feather River Solar Electric
> Bill Battagin, Owner
> 4291 Nelson St.
> Taylorsville, CA 95983
> 530.284.7849
> CA Lic 874049
> www.frenergy.net
>
>
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-- 

Loren Ortiz
Technical PV Design Specialist - Commercial/Residential/Off-Grid

loren at cal-solar.com californiasolarco.com

*Main: 530-274-3671 ext: 311 * *Fax: 530-274-7518*

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