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Twenty four US states are now considering legislation to allow small, plug-in solar power systems that connect directly into a wall socket. (www.nytimes.com)

submitted 1 week ago* (last edited 1 week ago) by silence7@slrpnk.net to c/energy@slrpnk.net

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I'm a little wary of plug-in solar in the US. Some of the bills propose allowing 1200 watt panels which can overload wiring depending on what else is on the circuit and how in the wall wiring is run. Limiting plug-in panel wattage to, say, 400 watts might be necessary

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[–] pelespirit@sh.itjust.works 2 points 1 week ago (1 children)

The solar panel would be providing some of that electricity though. You're not accounting for that.

[–] officermike@lemmy.world 2 points 1 week ago (1 children)

I am accounting for that, that's the whole point I'm making. Breaker is supplying 10 of its available 15 Amps, solar provides another 10 Amps, load downstream is drawing 20. Wiring between solar and load is carrying 20 Amps, but potentially rated for only 15.

[–] MinorLaceration@lemmy.world 1 points 1 week ago

You are correct. Excess current could exist in portions of the circuit but never be seen by the breaker, therefore the breaker could not protect against it.