My thoughts exactly. My experience is that, when its their job to help you ,then they will do it with an appropriate amount of Motivation.
Kenn ich, hatte aber Glück dass mein sarkastisches "hab mir halt mit dem Hammer auf alle Finger gehauen" gereicht hat um ihm ruhig zu stellen. (trug dunkelblauen Lack und die Person weiß dass ich Meister bin)
It would come as one cable doing double duty. Its an older kind of network and as far as i know no longer in use since it lacks safety features.https://de.m.wikipedia.org/wiki/PEN-Leiter https://de.m.wikipedia.org/wiki/TN-System#TN-C-SystemBut since it is a tatoo, its more likely just a meaningless painting.
Maybe the star configuration of a 3 phase motor in a PEN (neutral and ground over the same cable) electric system
Is friendshaped must therefore be friend