tag:blogger.com,1999:blog-4413319760292273475.post8234592979864288376..comments2011-09-11T22:24:36.246-07:00Staff Reportnoreply@blogger.comBlogger1125tag:blogger.com,1999:blog-4413319760292273475.post-70428884960912361222010-09-18T12:14:07.516-07:002010-09-18T12:14:07.516-07:00A nice discussion, BUT. You assume everyone naturally knows what a "suitable ground" is. At home, that's a cold water pipe. But in an RV, with plastic everywhere, what would be a suitable ground for making the tests you describe? How about a few suggestions? Without this knowledge, your entire discussion is fruitless.HOUNhttp://www.blogger.com/profile/04376137633864752024noreply@blogger.com