{ 15 comments… read them below or add one }

Sally H February 11, 2017 at 9:51 pm

I want to contain my dogs on my farm. They need access to the central area of the farm all the time, but I would like them to have access to three other surrounding areas only intermittently and only one at a time. So, how about I run wire around each area, twisting them where they share a boundary, then attach the wires of the areas the dogs may have access to to the charger. That way when the twisted wire that attaches to the central area is the only one charged it will keep the dogs on the inside of that border, but when both the wire for the central area and the wire for the intermittent area are charged the twisted wire will cancel and allow access. I appreciate that there will need to be some training involved (I have in mind using physical gates, crossed by the twisted wires, only open when access is allowed,) but will that work?

ADMIN – Hi Sally. I would recommend looking at our Planning/Layouts page for diagrams showing how the system can be used. Twisted Wire is used to connect the wire loop terminals between the transmitter and perimeter loop if the area between the transmitter and the boundary loop is an area you want the dogs to be able to cross though. This will cancel the signal in this area so that the dogs can cross back and forth through the area without receiving a correction. You can also use it to connect an exclusion zone to the primary loop. It cannot be inserted into the middle of a boundary loop or between loops.

Holger December 6, 2016 at 10:16 am


I have to little Bengal Cats , wheigt 3 and 4.5 KG. Which system can you recommend? Thus the collar fit to these little necks?
And do you ship to germany or where can I get your products over here?


ADMIN – Hi Holger. Unfortunately, our sales and support are limited to the United States coverage area. Our licensing means that we are permitted do business and process shipments only within the United States. Therefore, DogFenceDIY is restricted from doing business outside of the United States. I would recommend contacting PetSafe Germany.

Dennis Alder November 27, 2016 at 2:00 pm

I am wondering if it is OK to wire parallel loops or does it have to be a series loop?

ADMIN – Hi Dennis. You can have connecting loops but you cannot have more than one loop running into the transmitter. You can see a diagram of this on our Dog Fence Planning/Layouts page.

Nancy October 19, 2016 at 8:08 pm

I came home from work and found the system alarm going off. I am hoping you might be able to help me diagnose the problem. I have it off battery backup because a few weeks ago, the alarm was going off and found the batteries had leaked. I have no problems with my system, no one was working on the yard and I have no evidence of a broken wire. Can you give me any suggestions?

ADMIN – Hi Nancy. I would run a short loop test to make sure that it’s not the transmitter that is malfunctioning. You can do this by taking a 15 to 20 foot length of dog fence wire, making a big loop with it and plugging those ends into your transmitter. If the alarm is still sounding then it is most likely a problem with your transmitter. If the alarm is not sounding during the short loop test then you may have a break in your wire somewhere.

Teresa August 26, 2016 at 10:58 am

We have a 20 acre farm. It is all perimeter no climb, and 4 board fence. The only escape for our boxer is to follow us out the automatic gate, which stays open a very long time. Prob 30 seconds so horse trailer can come in and out. He likes to follow people out the gate. Then gets out on the road and can’t get back in on the farm. I need something to prevent him from going out the farm gate. I don’t need an entire fence.d yard. Any suggestions.

ADMIN – Hi Teresa. You could bury a long, skinny loop just in front of the opening for your gate. The wires going down and coming back would need to be at least 6 feet apart to minimize any chance of interference from it’s own signal. Please visit our Dog Fence Planning/Layouts page to see the layout of a “Single Sided Boundary” layout.

Wendell November 9, 2015 at 9:47 pm

My question is how long a distance can you go with twisted wire to still be effective ? To keep unit above freezing in Canada we needed to go at least 75 to 100 ft to inside of house to boundary wire ! 3 1/4 acres 🙂

ADMIN – Hi Wendell. The twisted wire can only be half as long as your boundary loop. With your size of property, 75 to 100 feet of twisted wire should be just fine.

Rob August 12, 2015 at 9:05 am

I am ready to purchase the Pet Smart Yard Max system that comes with 500′ of 20 ga wire. I am planning to use a heavier wire (16 ga or 14 ga) for the perimeter as over half of the perimeter will be through wooded areas and will be stapled above ground not buried. I’m thinking of twisting the 20 ga wire to get to the perimeter and then splicing into the heavier 16/14 ga. Will this work OK or should the twisted wire be the same gauge as the perimeter?

ADMIN – Hi Rob. We recommend using the same gauge Boundary Wire and Twisted Wire.

Michele July 12, 2015 at 12:07 pm

Thank you for the wealth of information on this site. We just installed our underground fence for stubborn dogs. We live in the foothills of the Smokey mountains and it seems the coyotes have taken a liking to our flock of chickens and ducks, We have a one year old Great Pyrenees who we brought into the family to protect our other animals. You’re site made installing this fence SO MUCH easier! Thank you for that. We begin training on Tuesday. My question is this: We have 11 rescue cats (all the dogs and cats get along) and would like to be able to allow them outside to play. I know there is an underground fence for cats, but can I just buy smaller collars and use this fence? Or do I need to install a separate fence? Thank you in advance 🙂

ADMIN – Hi Michele. Thank you for the kind words! Yes. The Cat Containment Collar is compatible with the PetSafe Stubborn Electric Dog Fence (PIG00-10777).

Whitney Mintert May 24, 2015 at 7:54 am

We just purchased a home and are considering an in-ground pet containment fence for our three dogs. Our next door neighbor has a containment system installed in her yard (older, wired system) and I was wondering if her system will cause confusion and or cross-signals between the two systems. We share a driveway, with a seam in the middle of the two driveways, and we would want to utilize that seam to allow our dogs the ability to go from the front to the back on that side of the house.

ADMIN – Hi Whitney. Congratulations on your new home! What is the age, weight, breed and temperament of your three dogs? What is the size of your pet containment area? We recommend keeping 5-10 feet distance between the two different electric dog fence boundary wires to avoid interference problems. What is the model number of your neighbor’s invisible dog fence?

chris hughes January 28, 2015 at 1:07 am

Do you have an upper age limit for a person adopting a dog?

ADMIN – Hi Chris. What kind of dog do you want to adopt? What state do you live in? Have you read our Adopting a Rescue Dog: The First Seven Days From Shelter to Home link? Do you already have an underground dog fence system?

Sarah April 4, 2013 at 2:20 pm

I have two small dogs, at 4.5 and 5 lbs each. Is there a collar small enough for them?
Thank you

Mike Pennington January 25, 2013 at 8:30 am

If only wanting/needing correction feature for one of our three dogs, will the IUC-4100 collars work with the 5100 system?

ADMIN – Mike, Yes, those collars are compatible with the IUC5100. Note that the part number has changed to PIG00-13620.

scott morrison November 17, 2012 at 11:12 am

I have an existing electric fence surrounding my yard site to keep livestock out of the yard. Will this electric fence cause interference problems with the wired dog containment fence that I plan to install around the same yard perimeter as my existing livestock control electric fence?
Scott Morrison

Admin- Hi Scott,
The cattle fence will not interfere with the dog fence system as long as you do not zip tie the two wires together (so just as long as they do not touch). We have found that attaching the boundary wire to an existing fence to be very effect and helps solve most containment issues very quickly.

Marjie May 27, 2011 at 1:56 pm

I twisted my wire too much, about 40 twists per foot. Can I still use this or should I twist another length?

ADMIN – Hi Marjie,

That will still work.

Kelly March 19, 2011 at 6:02 pm

I would like to attach a portion of the wire to an existing wire property fence. Will it work? How high off the ground can the wire be?

ADMIN – Hi Kelly,

You can attach the boundary wire to a fence and it will work well. You can set the wire up to work at almost any height, you will just need to increase the boundary width at the control box so that the signal still reaches ground level. The perfect height is around the height of the dog’s head, but any height will do. It is generally a good idea to place the wire at least one-foot above the ground if you use a weedeater to keep the wire safe from damage.

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