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Hooking up an electric fence
Having a good gound connection is important. I used a 5' lenght of copper pipe driven 3' into the ground. If the soil is dry where your ground rod is that may be a problem, not a good connection.
I have two wires on the fence, they are both connected together to one wire which goes to the power supply. The wires do not have to be a complete loop, they do have to be insulated from ground. The controller I have has two lights, one shows that the unit has power the other pulses showing current flow. The intensity of the pulsating light tells how strong the current is flowing through the fence wire. A weak light is an indication of a short to ground of the fence wire. This could be from something touching the fence like a piece of brush or a weak insulator.
It has been my experience that all electric fence insulators are not created equal. I think different kinds of plastic absorb enough water to conduct electricity. If you watch at night you can see a blue flash where the short is sometimes, or hear a snaping sound as the current shorts to ground.
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Hooking up an electric fence
I have used one of those store bought fence testers also. You stick one end in the ground hook the other end on the hot wire and the little light flashes. Generally I can not find it when I want to use it, or while attaching it to the fence I get "bit". I don't like that.
Roger uses the method that works best for me. Watch the intensity of the spark. I will take the gate hook and hold it close to something grounded and watch the spark, you don't have to have any special tools or meters.
I remember a friend of mine once put up a section of electric fence. He tried to save some money on insulators. He wrapped the wooden post with inner tube rubber secured it with a piece of copper wire making a loop to run the fence wire in. He took a regular Volt/Ohm Meter checked continuity between the wire and the post, everything looked fine until he turned on the fence module. The fence had very little charge to it.
The rubber did not provide enough insulation barrier. The ninie volt battery in the VOM did not produce the same potential as the electric fence unit. Once he used the proper insulators the fence worked fine.
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