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534 posts

Ultimate Geek
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Topic # 147284 14-Jun-2014 21:18
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Hi,

We have a dog with an electric fence collar, and I was wondering if it affects any phone line and ADSL?

Thanks




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Uber Geek
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  Reply # 1065745 14-Jun-2014 21:22
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yes, to what extent though that is the question

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  Reply # 1065768 14-Jun-2014 22:07
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Over distance yes and greatly.




 


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Ultimate Geek
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  Reply # 1065793 14-Jun-2014 22:45
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Hold the phone folks, OP are you referring to an electric fence as in fences on farmland (in which case previous answers apply) or are you referring to what I think you are, a virtual boundary 'fence' setup using transmitters that discourages the dog from passing/leaving a certain zone?  (Similar to a Roomba)  In which case the answer is "who knows, but technically it shouldn't if it follows RSM rules".


If you want more information on the former (traditional electric fences) and RFI, RSM have some information at http://www.rsm.govt.nz/cms/pdf-library/customer-support/5-step-electric-fence-interference.pdf/view



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Ultimate Geek
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  Reply # 1065799 14-Jun-2014 22:56
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nigelj: Hold the phone folks, OP are you referring to an electric fence as in fences on farmland (in which case previous answers apply) or are you referring to what I think you are, a virtual boundary 'fence' setup using transmitters that discourages the dog from passing/leaving a certain zone?  (Similar to a Roomba)  In which case the answer is "who knows, but technically it shouldn't if it follows RSM rules".


If you want more information on the former (traditional electric fences) and RFI, RSM have some information at http://www.rsm.govt.nz/cms/pdf-library/customer-support/5-step-electric-fence-interference.pdf/view


No, it is a virtual fence which shocks the dog if it gets too close.




Home ADSL:                                                             School: 
 


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Ultimate Geek
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  Reply # 1065800 14-Jun-2014 23:07
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dcole13:
nigelj: Hold the phone folks, OP are you referring to an electric fence as in fences on farmland (in which case previous answers apply) or are you referring to what I think you are, a virtual boundary 'fence' setup using transmitters that discourages the dog from passing/leaving a certain zone?  (Similar to a Roomba)  In which case the answer is "who knows, but technically it shouldn't if it follows RSM rules".


If you want more information on the former (traditional electric fences) and RFI, RSM have some information at http://www.rsm.govt.nz/cms/pdf-library/customer-support/5-step-electric-fence-interference.pdf/view


No, it is a virtual fence which shocks the dog if it gets too close.


Right, I think Electric Fence threw us all off for a moment there, the addition of dog and collar just didn't add up.

Have you got any details about the particular make/model that you are using?   My prediction is that there is going to be next to no information available but maybe someone here can find something useful that might hint one way or another.  Generally though, assuming it's using some sort of radio communication/beacon and it's transmitting on an allowed frequency and suitable power/etc, it shouldn't be too problematic, but for instance AM bands and ADSL were always touted as problematic.

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Ultimate Geek
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  Reply # 1065806 14-Jun-2014 23:32
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nigelj:
dcole13:
nigelj: Hold the phone folks, OP are you referring to an electric fence as in fences on farmland (in which case previous answers apply) or are you referring to what I think you are, a virtual boundary 'fence' setup using transmitters that discourages the dog from passing/leaving a certain zone?  (Similar to a Roomba)  In which case the answer is "who knows, but technically it shouldn't if it follows RSM rules".


If you want more information on the former (traditional electric fences) and RFI, RSM have some information at http://www.rsm.govt.nz/cms/pdf-library/customer-support/5-step-electric-fence-interference.pdf/view


No, it is a virtual fence which shocks the dog if it gets too close.


Right, I think Electric Fence threw us all off for a moment there, the addition of dog and collar just didn't add up.

Have you got any details about the particular make/model that you are using?   My prediction is that there is going to be next to no information available but maybe someone here can find something useful that might hint one way or another.  Generally though, assuming it's using some sort of radio communication/beacon and it's transmitting on an allowed frequency and suitable power/etc, it shouldn't be too problematic, but for instance AM bands and ADSL were always touted as problematic.


You probably won't know until you try it. At most it could interfere with Wi-Fi, but I doubt it should really cause a major issue on ADSL as the lines are balanced to help reduce common mode noise captured by both lines, and twisted to also help cancel interference. An old 3-wired phone setup between jacks in the house could pick up some interference but it'll be marginal (the wire in the ground is a small radio antenna not an electric fence). See if you can find out what frequency the dog fence output is.

As for actual electric fences, I installed 5KV one 7 metres away from an overhead lead in and the fence is 4 conductors and about 15 metres long. Doesn't cause any noticable speed reductions to ADSL. The earth is around 16 metres from the house grounding point and it co-exists quite well, also stops vet bills of two vary good digging/jumping dogs.

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