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Backfeeding breakers on a generator panel

I am trying to puzzle out in the event that setup We’m contemplating will be NEC rule compliant.

I realize that backfeeding the primary panel is limited by 20% regarding the panel score, to ensure that a 200 amp solution might have a optimum 40 amp backfeed breaker.

Nevertheless, the things I can’t find is given information on feeding in to a generator panel this is certainly for a transfer switch. In my experience, if you should be “backfeeding” into that panel only once the ability is not on, would not it is rational that you may backfeed any amount up to the utmost generator panel score? And, the only method that energy would surely even reach the generator panel could be by switching the manual transfer switch far from grid power up to power that is backup.

I simply aren’t able to find any information or paperwork on this situation however, thus I had been somebody that is hoping may help.

Remarks

Re: Backfeeding breakers for a generator panel

I’m having a bit of a hard time understanding your connections.

My recommendation, will be draw a straightforward block that is 1-line showing just how your circuit is wired and where in actuality the power sources/consumers are.

Essentially, from my understanding, you ought to locate back all energy sources (AC Line, Generator, Grid Tied, etc.) sourced elements of energy as well as for a commercial installation, none of these places should complete up a lot more than the score associated with the breaker panel/bus pubs. Okumaya devam et