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Electric fencing can be dangerous but are a helpful tool for people who own farm livestock or horses, or who need added security. Electric fencing are necessary in order to keep animals safe and contained within the fence, as well as to keep intruders out. When you learn how to make an electric fence properly, you must be extra cautious so you don't electrocute yourself.

  1. Horses are best fenced with conductors that are highly visible, such as rope and tape. Slower-moving animals, such as cattle and sheep, can be fenced with steel wire or polywire. Regardless of the animals you are containing, the structure needs to be strong and stable because nocturnal, feral animals and other wildlife will fail to see the wires and run into the fence. If the fence is not strong, these frequent hits will knock the fence down. [2]
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  2. The type of energizer you choose depends upon the fence's length, the amount of vegetation that may grow on the conductors, the type of fencing material, the type of animals, and whether or not a 230-volt power source is readily available.
  3. For the electric fence to work correctly, it needs to have optimal conditions for its operation. For example, electric current flows better in wet conditions than in dry conditions. Regardless of the battery system you are using, use at least a 3.3-foot (1 m) galvanized earth stake should be used. If you are using a mains energizer and must operate on poor soil conditions such as light or sandy soil, more than 1 earth stake could be necessary. If additional stakes are used, space them 9.8 feet (3.0 m). (3 m) apart, and connect them with a lead-out cable. [3]
  4. For temporary or portable fencing, use a fence line tester. For permanent fencing, use an LED voltmeter. To operate either type of tester, push the probe into the ground, and touch the tester terminal to the fence. Be sure to test at the furthest end from the energizer to get an accurate measurement of the voltage. The fence should have a minimum of 3000 volts. If it is lower, the livestock will not get sufficient shock and will cause problems. [4]
  5. Use a metal bar or earth stake at least 328 feet (100.0 m). (100 m) from the stakes, and short the electric fence to earth. One probe of the voltmeter must be connected to a stake. The other probe should be pushed into the ground as far away from the stake as possible. If the reading is 400 or 500 volts, the fence is fine. If it reads less than 400 or 500 volts, the condition of the earth needs to improve. [5]
  6. (1 m) apart. Connect the top of each stake with lead out cable. Re-check the voltage. Remove the short from the fence by removing the metal bar or stake.
  7. Transfer power under the gate from 1 side to the other with an under-gate cable. Permanent and temporary gates should be wired identically. [6]
  8. Connect your high tensile wire or electro-rope and tape with insulators, depending on which type of animal you are fencing in. Your wire or electro-rope will come with instructions on how to properly space it.
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Community Q&A

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  • Question
    How can I connect a battery and cables to make a hot fence?
    Community Answer
    Connect the battery to a fence charger/energizer first. After this is done, connect the positive side of the fence charger output to the fence, and the - negative terminal to a grounding system. Grounding systems could be a steel rod system pounded into the ground, using an existing water culvert, etc. The more surface area exposed to the ground, the lower the resistance, and the better a fence ground.
  • Question
    How long should the space between the stakes be?
    Community Answer
    3 meters is the proper length.
  • Question
    Does the fence wire need to be a completed circuit?
    Karin
    Top Answerer
    Yes. The fence will not work if the circuit is incomplete or shorted out. That's where grounding rods, making sure plants don't grow up and touch the fence, and proper connections are important. It's not just the fencing wire that counts, but the other things that come with it.
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      Tips

      • Finding quality, moist soil is crucial when you construct an electric fence. This helps the electricity flow better and makes the fence harmonious with the ground. The circuit will only be completed when an animal makes contact with the fence.
      • Batteries with a higher Ah allow for a longer time between recharges. This can range between 2 to 6 weeks depending on which energizer model you purchase.
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      Warnings

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      Things You'll Need

      • Posts (wooden or plastic)
      • Wiring (polywire and tape, high-tensile wire, or electro-rope and tape)
      • Insulators
      • Reels
      • Energizer
      • Voltage tester
      • Metal bar or stake
      • Galvanized earth stakes

      About This Article

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      Reader Success Stories

      • Chuck Dunn

        Mar 14, 2017

        "Good explanation of grounding and circuit in general. Also, helped in choosing the right conductor for specific ..." more
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