Go Bottomstray voltage counseling
 | TomG
Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley 
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2001-01-06 23126
This comment really is about new barn building but is so far 'off the thread, I thought I'd post it as a new comment. I heard the term 'stray voltage counseling' on another site. The idea is that electrical devices have become so common in modern farming that the barn has turned into a complex electrical system. Complex electrical systems are subject to all sorts of elusive grounding and induced voltage problems. The problems are compounded by the presence of conductive animal waste and ag chemicals. A possible result is that humans and livestock start getting voltage tingles here and there. Apparently, when that happens to livestock, they tend to stop eating and develop health problems. I haven't been around livestock in a modern operation and I hadn't heard the term 'stray voltage counseling, I don't know if it's a particular service, or just an electrician who does a lot of work around farming operations. However, from my teching and sound business days, I do know that it's a good idea. Sound engineers who have systems that give singers tingles off their mics also develop health problems. I'd pay careful attention to the wiring in a barn that's intended for livestock. There are some special code requirements as well. I couldn't find an appropriate topic, so I continued using Site Chat. I thought about Landscape Design, but I concluded that a barn is a site, afterall.
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 | lsheaffer
Join Date: Jun 1999 Posts: 1082 Northern Illinois 
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2001-01-06 23141
Stray voltage is usually in relation to dairy milking facilities. Alot of electrical wiring that is by pipes that can be induced with a current. Plus it is a wet enviroment. The cows have 4 legs & are a better conductor of electricity plus they're being milked , so that is another source to ground. With building milking facilities it is recommended that all metal be grounded. There has also been a problem of utilities having a fed back through their ground/nuetral. Many times they have denied it, but when the farm's ground/ nuetral is isolated from the utilities', the problem disappears. ....
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| Roger L.
Join Date: Jun 1999 Posts: 0 
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2001-01-06 23149
I've seen the same things that Len is talking about. Good grounding practices cure these problems. ....
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| TomG
Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley
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2001-01-07 23155
An inspector told me that grounds don't last forever--at least in the sandy acid soil around here. He said that the utility did some research and found that the life expectancy of steel rods and plates can be as short as five years. Anyway, 'tingles' aren't normal and may indicate inadequate grounding, even if the original wiring and design was good. I can only sympathize with any dairy cattle subjected to a poorly grounded operation. ....
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