How can I find where the Invisible fence line was cut?

We have a invisible fence around our yard. My husband did alot of yard work last weekend and we have now realized somehow we have cut a wire, but we do not know where. The last time this happened I called the invisible fence company that installed our fence.  They gladly came out then charged me $200 to come find it . It took the guy like 5 minutes. He had some sort of device that he walked around the yard with and it beeped where it was cut.

I really don’t want to pay $200 again.  Is there a way we can locate the cut in the underground fence ourselves?  I’m looking online and see people say you can use an rf choke and an AM Radio to find the break.  Has anyone tried this and with success?

For complete instructions on how to find a cut in an invisible dog fence visit

Invisible Dog Fence Troubleshooting – How to Locate and Fix a Break in Your Underground Dog Fencing

Other Dog Fence Sites Online




5 Responses to “How can I find where the Invisible fence line was cut?”

  1. Brittany says:

    When you pay someone to come out to find the cut in your underground fence wire they use a wire break locator. You can buy one yourself, but they cost a few hundred dollars. If you’re only going to use it once it may be less expensive to hire someone to do it for you. Landscapers have this type of tool as they need to find all of the underground utility lines and wires before they start a job. I would call a local landscaping company and see if they can help you.

  2. Basenji says:

    A more accurate way to locate a cut in your underground fence wire than digging up your yard is to use a radio transmitter. This method involves using an AM Radio along with an rf choke attached to the control box. The radio will show you where the boundary wire is broken. After you find the break (or breaks) the issue how to fix it properly so that water doesn’t get in and short out your fence again. For maximum results, use a splice, which you can crimp on yourself. Not too hard, and definitely worth the money you’ll save on a service call.

  3. American Water Spaniel says:

    All they are using is an AM Radio and an rf choke, which you can purchase at any electronics store or Radio Shack. It’s not hard to do yourself, and the parts are inexpensive.

  4. Harrier says:

    If your dog is a good sport enlist him to help you. This suggestion only works well if the yard is wet, which will allow electrical current to flow through it.

    Make sure your fence is turned on. Walk your dog around the fence line and see if there are any areas where he stays away from and any which he will pass through without correction. If there are any where he goes through, you have found your break.

  5. Flat-Coated Retriever says:

    Go look out in the yard around where the landscaping was put in. The underground fence wire is more than likely cut in that area. Carefully dig up the boundary wire and see if you can find the break. It shouldn’t be very difficult as the wire is buried relatively close to the surface of the back yard.

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