8 Feb
2015
8 Feb
'15
9:23 p.m.
On Sun, 08 Feb 2015 21:14:12 +0100, Hermann Meyer wrote:
Old buildings didn't use grounds, they just have 2
cords and use the
second as ground and backline. In German this is called Nullung.
Potential issues are clear with this technique.
Actually I'm living in an "Altbau" with retrofitted concrete-footing
ground electrode. Potential issues could be caused by tons or grotesque
reasons. Reality has absolutely nothing to do with school books.