Not quite, there are different systems in service depending on region and installation era: https://diy.stackexchange.com/questions/134392/in-germany-should-gro

Not quite, there are different systems in service depending on region and installation era: https://diy.stackexchange.com/questions/134392/in-germany-should-ground-and-neutral-be-connected-at-the-main-service-panel https://diy.stackexchange.com/questions/134392/in-germany-sh...