How do I find a break in my ground wire?


My last bedroom has three outlets, and are all showing "OPEN GROUND" from my tester. The third one is adjacent to the other bedroom, and that outlet is also showing "OPEN GROUND". The others in that room are fine.

My home was built around 1980, and I have never done any electrical work on those outlets. The way that I found out was because my son bought a surge protector for his gaming stuff, and it was showing "NO GROUND". So I plugged in my tester, and it read "OPEN GROUND". I have lived there about 16 years, and have never noticed a problem. I have checked all outlets, and all ground wires are twisted and connected.

Could the break be where the two rooms meet? Any ideas? My master bedroom is closest to outdoor breaker, and then it is the room in...

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thanks for responding. I have provide somemore information that was requested:

The wire itself doesn't seem to be buried that deep into the ground. It is around 5 -7 inches deep(This is what I see from removing the cable from the outlet and digging a couple feet from the outlet.
I believe the line was cut by one of my neighbors when they where cutting wood from the trees I had dropped. Everything worked after the trees where dropped. I am assuming my neighbors ran their chainsaw into the ground cutting the logs on the ground and by accident cut the cable.

All the other outlets are run on separate feeds so they are not affecting this outlet outlet. I have a total of 4 feed that pretty much run to all four corners of the property, and then to the circuit...

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I installed a PetSafe fence about 3 years ago. I had trouble with the transformers getting fried during a rain/lightning storm. Actually I went through 3 transformers before I realized what was happening. I have my fence around 4 acres and 1-1/2 acres is pasture. So when I installed my fence, I connected to the fence that went around the pasture. What I finally realized was that I had created one big lightning rod. So I installed a surge protector and all of my troubled went away.
I now have a broken wire somewhere in my system and I am having trouble finding it. I do have a PetSafe wire-break locator but I’m still having trouble finding the break. I’m sure I will find it but right now it’s creating a challange. I have used the locator before and had very little trouble finding the break.

How to locate a broken valve wire? | LawnSite

Find the break in the wire using a wire break locator if you determine the problem is not with the transmitter or if...

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Based on your description it sounds like you are using a 3 prong plug-in style tester with 3 LED indicators side by side. Those testers are good for a quick polarity check and testing grounds, but are not of much use when it comes to troubleshooting. If you have a regular digital voltage tester then run tests for voltage from hot to neutral (should be ~110VAC), hot to ground (should be ~110VAC), neutral to ground (should be ~0VAC), continuity between neutral and ground (should be low/no resistance with the breaker off for any continuity tests), continuity between hot and ground and hot and neutral (should be open circuit or very high resistance with the breaker off for continuity tests).

If this testing shows no continuity between the ground and neutral then the neutral connection in the receptacle may be open, the connection between the neutral wire and the neutral bus in the panel may be loose or a connection may be loose somewhere between the panel and this...

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So here's a situation I found myself in last week. I was enjoying a nice game of Moon Patrol on my newly-acquired Atari 5200 when the 1, 2, 3, and Start buttons all decided to stop responding. At first it was intemittent, depending on the angle at which I had the controller held, but then it got to the point where it wouldn't work at all.

So I do some quick research, find that the 1, 2, 3, and Start buttons on the 5200 controller are all tied to Pin 7. I open up the controller, find the red/white wire for pin 7 and do an end-to-end continuity check. Nothing. All the other wires were fine, though. So I start incrementally checking the red/white wire as far as it's exposed leading up to the cable's collar, and it's whole. Unwillingly, I carefully trimmed off the collar and continued checking the wire, hoping to find the break very close to that end. Still nothing--I've got continuity to over 2 inches past the collar. Crap. So then I start checking continuity at the plug...

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Let me start by saying it ain't easy finding a break in a broken wire without the proper tool and your professional DogWatcch dealer has the tool. I'm just saying! :-)

You may have some luck with that radio but before you try there are some things you need to do to your transmitter. Take it off the wall and flip it over. You will a small rectangle in the back with some switches. Switch the transmitter to AM. I'm going to assume the transmitter is turn off as that sound is rather annoying. Turn the transmitter back on after you switch it. (don't forget to switch it back to FM when you done or the collars will not work, and turn the trans. off and on to reset it)

Now get your transistor radio and tune it to the lowest AM frequency. If you have an old walkman that would be ideal, they are small and the earphones help you hear the radio better. Now hold the radio close the wire where it comes out of the house and listen for some noise. If you don't hear...

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Remove the old plug.

Some plugs can be unscrewed from the cable. If your plug is molded on to the plastic, you'll need to cut it off instead, about 1 inch (2.5 cm) from the plug.



/4/49/Repair Dodgy or Broken Headphones Step 14.360p.mp4

If your plug unscrews, look at the wires. If they all seem connected and unbroken, cut the cable off anyway. The problem is probably in the cable right next to the...
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This was pretty amazing. We have an ‘invisible fence’ for the dogs. I installed it myself years ago. It’s just a single strand of wire that wraps around our entire yard that must transmit some kind of signal to the dog’s collar so when they get close to it, the collar starts beeping. If the dog decides they want to ignore the warning and they go closer to the wire, it sends out a jolt of electricity that would fry a cow.

I know it will fry a cow because I tried it on my finger. It took a good 5 minutes to get any feeling back.

Last fall the little box that sits inside the house and to which the wire is connected, started beeping. That means the wire was cut. Second time that happened… First time was at this spot where the wire had been sticking out of the ground for years. I was too lazy to fix it until it broke. Needless to say, that one was easy to find.

So I ask you… how do you find where a broken wire that’s underground, running for hundreds of yards? I don’t know...

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THIS WORKS! Took me a couple hours & a $1.50 part from Radio Shack, but it saved me $200 to get the IF company to fix it (found it on another website): This- method requires you purchase an “RF-Choke” from Radio Shack (Catalog item # 273-102) and use an AM Radio. Once you have these, follow these procedures: 1. Disconnect the boundary wire from the terminals on the transmitter. 2. Wrap the boundary wire around the choke leads 3. Connect the choke leads to the terminals on the transmitter. The choke has now completed the loop as far as the transmitter is concerned. 4. Turn the range adjustment knob up 1/4 to 1/2 turn. 5. Take the transistor radio and set it to AM 600. Stand outside the structure where the twisted wire exits and listen for the pulsating static of the transmitter. Gently swing the radio back and forth across the front of your body and follow the wire out to where the loop begins. Pick either direction and continue...

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I decided to make my first DIY How-To Video! A video on how to trace an underground pet fence wire as well as find breaks. I could not find any other videos or forums that answer this common problem so I wanted to help!
I spent countless hours trying various ideas and researching the internet but nothing worked for my petsafe system. I finally came up with a solution that ANYONE can do and it won't cost you a penny! Rather than spending $100 on each service call, please watch the video and try it for yourself!
If you think this saved you time & money then please consider liking the video and donating to my channel at the following link (it would be greatly appreciated!):

This method works on ALL types of pet fences. Invisible fence, underground fence, petsafe (the brand I have), sport dog, guardian, etc.

Feel free to ask questions and comment...

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I've been waiting for the sun to come up and to let you know

There's a reason that I up and left about a week ago

If complaining is your only move

Then it’s all about my whereabouts and what I plan to do

I'll never find your heart in a place like this
I'll never find your trust when it doesn't exist

I wanna start over, where do we begin?
I thought I was stronger than to let you in
I'm finally learning how the tables are turning
So let's start this over, but where do we begin?

Sometimes you can read my mind
It's like we're always breaking ground at the same time
And I noticed you don't show it
With Boston still on your skin
The answer isn't where you are, it's where you've been
And you know it, so control it, cause I figured out

I'll never find your heart in a place like this
This town isn't yours to miss

I wanna start over, where do we begin?
I thought I was stronger...

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EDIT. I've deleted the previous Wheatstone Bridge idea as I think it will be impractical.

Are there 2 wires undergraound?

If so, you could measure the capacitance between them at each end. The ratio of the capacitances would be roughly equal to the ratio of the distances to the break.

If there is only one wire, you could measure the capacitances to earth. But use a well watered earth stakes at each end.

Another trick that was used by someone I knew who found faults in underground telephone cables was as follows.

As an alternative to the above, you could use a DC voltage and a multimeter rather than the earphones.

If the wire is leaky to earth (due to water ingress), he connected an AC voltage to the wire with the other side of the voltage source connected to earth. This creates a current through the wire and back via the earth.

He had two earth stakes with wires attached to earphones. He drove these into the ground about 3 metres apart near...

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Troubleshooting a Wire Break

From time to time you may experience a wire break - this is actually very normal over the lifetime of an electric dog fence. If a wire does break, the transmitter box will let you know through either an audible alarm or an error light. You will also notice that your receiver collars are not responding to the signal from the fence.

Short Loop Test & Collar Test:

If you suspect a wire break, check your dog fence transmitter. Most dog fence transmitters have an alarm on them that indicate a break in the line. It makes a loud piercing sound that indicates a break in your dog fence main loop or twisted wire. Some transmitters such as the Pet Guardian systems and the Invisible Fence® gate systems do not have an alarm they simply blink indicating that the dog fence system is functional.

Do a short loop test.

1. Unplug the neutral wires from the dog fence transmitter.

2. Cut a 12 inch piece of wire and strip...

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Your local AM radio stations may or may not be close on the dial to the frequency the dog fence broadcasts. A cheap-o AM radio might work better than an expensive model (less sensitivity and less adjacent-channel rejection on the cheap model). YMMV so try different radios.

FWIW, the purpose of a choke is to pass DC current (measured in volts, so the fence system thinks a wire is shorted across the terminals) while blocking any AC (the noisy part that shows up in the radio is NOT shorted out, so it continues down the buried wire). You can make one -- it's just a coil of wire. Google it. Perhaps this system uses a constant DC voltage to test for continuity through the buried wire, and an AC signal (the "noise" you hear) to trigger the dog collar. A break would cause the beep that tells you the wire is broken (DC missing in the wire loop) and so you fool the system with the choke so you can test with the AM radio. Simply shorting the wire could diminish the signal to the radio,...

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Dear Mike,
You talk a lot about RV grounding and bonding, and I understand that the frame of the RV is supposed to be connected to the green ground wire. But exactly how is the ground wire connected to the RV frame and is there a definitive test for this? —Eddie

Dear Eddie,
Yes, you are correct that the green ground wire of the shore power plug is supposed to be connected to the RV frame. Technically, this ground wire is named the EGC (Equipment Grounding Conductor) and connecting wiring together is called “bonding.” So what you’re doing is “bonding” the “EGC” to the frame. And on the surface, it seems simple. You just connect the incoming green wire to the frame using a bolt through the metal. However, the reality is that there’s a more complex situation. Just how do you test the wire bond to make sure it’s solid? Any corrosion or loose connection at the EGC bonding point will defeat the safety connection. Even paint on the frame that wasn’t removed properly...

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How to Break Up a Dog Fight Without Getting Hurt

I have owned, trained and bred dogs for 45 years. I have trained protection dogs and police service dogs since 1974.

If you have come to this page you have issues with aggressive dogs. In the mid 1990's I wrote this article on "How to Break Up A Dog Fight Without Getting Hurt" which you can read below. It has been reprinted (with my permission) in many different languages.

My web site is over 10,000 pages and a good portion of this site is dedicated to dominant dogs and aggressive dogs. I have organized this page to not only include my article but also list training DVDs that I have produced to help deal with aggressive dogs, books on dog aggression and links to the numerous articles I have written on the topic of aggressive dog.

Breaking up a dog fight can go bad in a heart beat. This is serious business. So know your limitations and don't get into the middle of something you can't physically deal...

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14 Gauge Dog Fence Wire vs. 16 Gauge Wire vs. 18 Gauge Wire vs. 20 Gauge Wire (thick vs. thin)

Most DIY Dog Fence Systems include a reel of 20 gauge wire. But, most professionally installed systems use a thicker 14 gauge wire. Why the difference?

Fewer Wire Breaks

The thicker the wire the more resilient and the less likely you are to get a wire break. For example, the thickest wire (14 gauge) is around 6 times stronger than the standard 20 gauge wire. This thicker wire also contains a thicker jacket, making it impervious to all but the strongest impacts.

When a dog fence is being professionally installed, we will usually use an industrial trencher, that is very tough on the wire. This makes using the thicker gauge of wire almost mandatory.

There are however disadvantages. Firstly, thicker wire is harder to work with. Thinner wire is is more flexible and easier to get into place. Second, the thicker wire is more expensive. The thicker wire uses 4...

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Tune up your rig, but leave the counterpoise disconnected. The station should experience what ever problem brought you to the point of building a counterpoise in the first place. What ever the problem, RF in shack, mic bite, flashing panel lights on the equipment, whatever, you will still have the problem. Note the severity of the problem in some quantitative way so you can tell if the counterpoise makes a difference. Note the SWR readings, plate or output transistor collector current on the rigs meter. Note the ALC reading.

Connect the counterpoise and note changes. If luck is with you, there will be an improvement. Note that the counterpoise was cut slightly long. If there is an improvement, try shortening the wire cut for the band you are using by rolling it up for a short distance. If there was further improvement in the problem, continue lengthening and shortening until the ideal length is found. Repeat for...

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I had someone come out and quote an Invisible Fence system, and the salesman said they use 12 gauge wire, and bury it all the way around, but according to everything I’ve read on your great website, 20 gauge is enough. Is this really true? I am also planning on just laying it in the woods on the ground instead of burying it (except in the grass where practical). The salesman said that the wire will end up getting chewed and broken if it is just layed on the ground.
I know you’ve answered these questions, but I just want to confirm, as these are my 2 big sticking points right now.

ADMIN – Hi Shea,

Invisible Fence uses 12 gauge wire because the industrial trenchers they use can be harsh on the wire. That’s really the only good reason to go with such large gauge wire. Both systems will work the same. You can use thicker gauge wire with the DIY systems, and we offer wire upgrades – but our perspective is that the thickness doesn’t particularly matter, that anything...

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Electrical Systems

Electrical regulations and standards that apply to boat builders and recreational boats. Batteries, ignition protection, wiring.

I am only going to very briefly cover the basics of the electrical standards found in the US Federal Regulations and ABYC Standards. Contact ABYC and the Coast Guard to get the standards for Electrical systems. Canadian, European, Australian, and International (ISO) standards are very similar. Go to Ike's List to find links to these and other standards.

Ike's List
US Federal Regulations (CFR)
ABYC Standards
US Coast Guard
Canadian Coast Guard

In any case you should read and use reference books on marine electrical systems. Here is a list of a few excellent books on...

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