Cleans and keeps the solder points clean. Prevents oxygen from reaching the solder joint

I think you should be able to split off from the 3 phase outlet. Maybe you will need a small breaker box. It depends on which breakers are connected to the 3 phase outlet.

Selten so eine gute Zusammenfassung eines Themas gesehen. Danke!

Try searching for hall effect Controllers. They will be more expensive, but don’t need sliding surfaces or easily failing parts.

I go by: If you are not sure you need a good one, buy the first one for cheap. Of you break it, buy a quality one. You obviously need it.

I would say ~10 years is normal for a murder in Germany and other European countries. I don’t know about current Russia but here the idea is jail time should lead to rehabilitation and a bit of punishment. In the US it is much more focused on punishment.

Pisswasser!