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this post was submitted on 26 Jan 2024
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traingang
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Yeah I think that's why they're illegal in the U.S. The electrical systems for a lot of homes are old as hell and this can start a fire. It happens all the time with people using generators and male-to-male power cords and plugging into the wall to feed back the power to the electrical circuit
In theory shouldn't a smart enough inverter be able to handle this well (to be clear, the German models come with an inverter)? Surely Germany has plenty of old wiring as well.
Maybe (I am not an electrician) but it's also sort of a fire/shock hazard to have a device putting out electricity that has a male plug.
The plugs in Germany/other countries might have a better design when it comes to that, the ground connection is on the sides rather than directly across from the positive connection so it's a little less likely to short stuff out if it just falls out of the receptacle.
If the (smart) inverter is on the line that connects into the wall outlet it could easily stop the flow in the event that it doesn't detect anything from the grid across its terminals. I expect this is a solved problem, but like I said, I just found out about this tech.
No, the problem isn't the local house wiring.
The problem is back-feeding power to the power lines without a power lock-out device.
You don't want to kill a power line worker trying to get your power back online.