Electric Fence grounding

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nocows
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Electric Fence grounding

Post by nocows » Mon Sep 23, 2019 8:29 am

I have a question about grounding an electric fence charger I recently bought a Parmak 25 mile range solar charger. The instructions say to put 3 6' galvanized ground rods 10 foot apart. I have a standard 30 mile charger that's just using one ground rod and it seems to run just fine. Most setups I see around other farms are also only using 1 ground rod, so I guess my question is what's the downside of using 1 grounding rod vs the 3 like the instructions say? I'm just using this for one short run at the top of a fence to keep a bull in.



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Re: Electric Fence grounding

Post by Philip-TX » Mon Sep 23, 2019 9:08 am

1 will work, 3 will work GOOD!

The better the grounding the better the ELECTRIC fence.
Current is looking for a path to ground.

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Re: Electric Fence grounding

Post by shaz » Mon Sep 23, 2019 10:06 am

You may even get by with one 3ft aluminum rod. You really have to be able to measure it. Get a digital fence tester and measure from earth ground to your ground output on the charger. If that's less than 250v you're in good shape. No reason to put in a bunch of ground rods unless there's a problem.
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Re: Electric Fence grounding

Post by bird dog » Mon Sep 23, 2019 10:16 am

Your type of soil and the moisture that it holds is what matters.

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Re: Electric Fence grounding

Post by Bigfoot » Mon Sep 23, 2019 12:10 pm

keep your ground rod area moist. no need in over kill, just a good ground.
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Re: Electric Fence grounding

Post by cowboy43 » Mon Sep 23, 2019 1:17 pm

I have grounded to a barb wire fence that has 2 inch pipe corners driven 5 feet in the ground with medal T-Post for line post.

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Re: Electric Fence grounding

Post by kenny thomas » Mon Sep 23, 2019 2:29 pm

Try this, totally ground out the fence with a t-post or piece of pipe. Go to the ground wire between the box and the ground rod. Test the voltage there. It will show it's feeding back. If you keep adding rods you will get the feedback down to 0. I am using 3 in the drip of the barn. I have seen one place that it took 5 rods to get it to 0.
My thoughts only, don't bet the farm on them. KT

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Re: Electric Fence grounding

Post by wbvs58 » Mon Sep 23, 2019 6:24 pm

Under most conditions you get away with the one rod however when things get tough as in drought and dry spells is when you will appreciate doing it fright in the first place.

Ken

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Re: Electric Fence grounding

Post by nocows » Wed Sep 25, 2019 8:40 am

I went ahead and drove a 6' galvanized grounding rod although I hit a big rock about 4 ft down, I ran the wire and got the fence hooked up. It's working but I just don't know how good until I get a tester. I did watch the bull put his nose up to it and he figured out it was on. I Just want to make sure it's enough to make him not want to try it.

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