Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
There has been several reports lately of variations of the main frequency of AC current in European households. What do you think could be the consequences on network signal when using network over powerline (homeplugs)?
Those systems do not care about the 50Hz at all. They work on much higher frequencies.