Here is the thread where I reported on it. It’s a long thread, because it took a long time to make it all. Mine is solar based, but it doesn’t have to be.
There are lots of other useful comments in the thread, if you have the time to read it.
I show the most specific pics on my electric fence around post 82 to 84, but the whole thread is worth reading, or at least skimming, if you are considering an electric fence.