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this post was submitted on 12 Mar 2026
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I know it because it's in the spec necessary for licensing. It shuts off in under 20 ms so you can't even get shocked by the prongs of the plug if pulled out.
What license? Who is coming to verify your license?
It is a commercial product, connected to the grid via a standard schuko plug, sold in Germany. It has to be compliant with the local law to be sold legally.
It all shouldn't be so difficult to understand.
Or you buy it in Aliexpress/Temu and it will have whatever it will have, no policeman is going to come check if the panel they see from the street has a stamp or not.
But if your house burns down because of your unlicensed configuration, the insurance won't pay, and if people got hurt there will be a criminal investigation.
And this still results in innocent third parties being hurt
Yes, so people should stick to the legal options. It isn't hard.
So you can't buy raw solar panels or inverters in Germany?
It's not, which is why I'm not sure why you're struggling.
Sure you can. Solar panels will be fried by grid voltage more or less immediately if you connect them directly to a wall socket and become useless.
You cannot buy a PV inverter in Germany (entire EU really) that doesn't automatically shut off if it doesn't detect a frequency to sync against from it's AC side, unless it can run off-grid in which case it has to disble the grid connection within the same 20ms.
Of course you can buy whatever you like, and whatever is being sold has to be compliant with local legal requirements.
If you buy illegal stuff and cause problems, you will have problems with your insurance and potentially, legal ones.
And that's all I'm going to say on the matter. HAND.
There's no way to prevent people from connecting perfectly legal equipment in an illegal manner, where otherwise there would be.
You are only allowed to sell inverters approved by VDE
Again I ask, if there is no permit, how will the utilities know you are in compliance with this law?
You are required to notify your utilities that you'll be operating a direct plugged small solar PV installation, that's it. They can't forbid you from doing this.
The utilities don't monitor compliance, the manufacturer is.