We had some trouble with stray voltage in the last year or so that we milked... It was never as acute as you describe but it was detectable. It could be measured at 2-3v potential between the neck rail and the floor. Odd times you'd get a tingle depending on what you touched and whether or not you had wet feet at the time. Looking back on it now we always had a lot of cows that would stand in the gutter or hold their noses to the curb for periods of time... breeding problems, etc. In our case the voltage was still there with the mains turned off. The only time it went away was during a power outage... My belief is that it was coming in on the neutral. For all we know it could have been a bad insulator 5 miles down the road. When we had NSP out to investigate... their response was that there was no problem. 2v was 'normal' and not significant. From what I have read... it is fairly significant to a cow. Anyone that thinks it doesn't matter ought to stand barefoot on a concrete floor in a puddle of water, then grab the bulk tank. They damn well will find it significant then! I hope you never have a problem with stray voltage because the utility will DENY DENY DENY and it will be upon you to find a highly qualified electrician that first of all knows anything about the concept and secondly will fight for you. It's going to cost money and a LOT of it. If you were starting new the easiest thing would be to just install voltage plains to bond the whole building and floor together so everything is at the same potential... and that should in theory avoid the current flow even though the problem is still there...
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Today's Featured Article - Show Coverage: Journey to Ankeny - by Cindy Ladage. We left Illinois on the first day of July and headed north and west for Ankeny, Iowa. Minus two kids, we traveled light with only the youngest in tow. As long as a pool was at the end of our destination she was easy to please unlike the other two who have a multitude of requirements to travel with mom and dad. Amana Colonies served as a respite where we ate a family style lunch that sustained us with more food than could reasonably fit into our ample physiques. The show at Ankeny
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