Can you backfeed a GFCI breaker?
Electronic control can be fried like this.
What’s So Bad About Back Feeding?
Backfeeding involves tying a generator directly to the electrical source or panel, rather than the normal process with a transfer switch. Doing so with a GFCI is similar. Backfeeding is not recommended because it is dangerous, can destroy your electrical system, and most importantly, is oftentimes illegal.
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