|Tom Newcity wrote:
Even with a polarized plug be it 2 or 3 prong, the most important thing is to ensure that the High side of the AC goes to the switch and the Neutral to the other connection. A third wire for ground has always baffled me because if you go to your circuit breaker box you will see that Neutral and Ground are the same. But I am easily baffled. And if you decide to work on old radios, be especially cautious as many used what is called a "hot chassi".
My point exactly, the Europeans are way too Safety-centric for their own good, to the point of being arbitrary about it.