An electric fence creates a psychological barrier for containing or excluding animals. It is considered a psychological barrier because the animal receives a memorable electric shock when it touches the fence. After receiving an unforgettable shock, the animal will make a mental connection between the fence and the shock and no longer challenge the fence. The psychology is important because, depending on the animal’s intentions or size, it could probably break through a simple electric fence if it does not receive an intimidating shock.
This psychological barrier is created by connecting the positive terminal of an electric fence energizer to a properly installed wire fence, and the ground terminal to a metal ground rod driven into the earth. When an animal touches the electrified wire and is grounded to the earth (hoof/foot on the ground), the circuit is completed, causing an electric shock. Continue reading