Quote Originally Posted by Kempy View Post
I put a line on the HF nut on the back but that did not do anything. See pics lots of arc in the plug will have to wait and see if tech will give me some ideas.
The HF bolt on the back is the same chassis ground that your power cord is connected to. If you don't give it a shorter path to ground than the power cord offers, there won't any benefit. I don't think that's the problem here though.