Electronic fences are a control device. That said, electronic fences can be a blessing or a curse - not only for the dog but for the human as well. An ‘electronic fence’ is a set of devices, usually underground wire and transmitters, that deliver a noise, shock or unpleasant spray via a collar to a dog approaching the boundary. The wire is buried a foot or so under the ground along a perimeter of 500-1000 feet and as the dog approaches it a signal is sent to the collar, activating the deterrent.

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