Ah, OK, thanks for the explanation. I don't think that method would work so well in the area where I had to drive a few ground rods (northeastern Pennsylvania) because the soil was very rocky, often with fairly large rocks. On Thu, May 7, 2015 at 1:01 PM, Adam Field wrote: > > > > I don't have a good answer to your question but I am wondering what you > > mean by "water drilling a copper tube"? I'm an amateur radio operator w= ho > > has installed ground rods before but I've never heard of a trick called > > "water drilling". > > > > Sean > > > Instead of pounding a rod into the ground, you hook up your garden hose t= o > a copper pipe. The water "drills" the pipe into the ground with ease but > it's not as good as a pounded rod - you can't use it as an electrical > service ground. > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .