this post was submitted on 12 Mar 2026
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1200 incoming + 1 hairdryer at the same time equals overloaded circuit though.
That's now how that works. You got 1200 coming in and 1200 going out, so the solar would just power the dryer directly.
I think the risk is more that someone has a 15A-rated outlet on a 15A circuit breaker, plugs a solar panel into one socket and then a power strip with 30A of space heaters into the other socket. Breaker doesn't trip because the main panel is only providing 15A, but the outlet lights on fire.
Not sure why that isn't a problem in places these are more common.
Ah, that is a good point. I wonder how they're mitigating that.
(this is the same reason that big solar systems require an oversized busbar on your main panel)
breaker masking