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Electric fence question

G

Grassfarmer

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Joined
Aug 21, 2005
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998
Location
Central Alberta, Canada
Spent the last couple of days setting up an alley system (to access water) on a quarter we are renting. The owner had a fair bit of electric cross fencing up already so we were just tying into it. I realized fairly late in the day that his fences had all been fed power from both ends - I told him you don't need to do that, or rather you are advised not to, but couldn't give him an explanation why. Anyone have the answer?
 
If you power the fence from one end only it is much easier to locate problems when they come up. You can take voltage readings at the start of a run then disconnect it and recheck the power - - - if no change the problem is not on that run, however if the power goes up you only need to check the disconnected part to find the problem , fix and reconnect.
 
Electricity is like water. You can have a pump at either end but it will hold the same amount of pressure as the strongest pump. It is so unnecessary to have two pumps and as Georges says it is easier to find the leaks with out the pressure from the other end. Of course you knew all of this but the water story might help get it in his mind in a different way.
 
I was always told always power a fence at only one end as I was told you would burn out the charger or spark the fence when the charge meeting point causing a burn point (fire possibility) do not know if that was true but never tried it any other way. A fence that is longer than the charger can shock may of been the reason to power it at both ends.
Not a expert just my guess.
 
I'm not sure, but I don't think it would be a good idea. There would be the chance of the electric pulse from one charger back-feeding through the other and causing problems. There may be enough resistance in the wire that this wouldn't be a problem. If you wanted to experiment, hook the ground and hot terminals of two chargers together and turn them on. You may have to buy a charger or two. :???:
One thing I do know...chargers don't like lightning!! :shock:
 
Grassfarmer said:
I should clarify that the case I'm talking about involved supplying power to both ends of the fences but it was only coming from one charger not two.
Click to expand...
In that case, absolutely no problem. The chances of a broken conductor causing a "dead" section are cut in half, if not eliminated. Shorts will have the same effect...that's why they make checkers that will point you toward the short.
 

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