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Powerline networking

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#1 Manshead


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Posted 04 February 2018 - 04:04 AM

I'm thinking of buying a powerline networking device. Does anyone know if they have to be on the same ring main.

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#2 Orecomm


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Posted 07 February 2018 - 05:45 PM

OK, USA user here, and "Ring Main" isn't a familiar term, but maybe I can answer anyway. 


As always, the answer is "It Depends".


There is a lot of variety in Powerline network devices, but in general they don't like working through transformers, which means they need to be on the same phase (same main circuit breaker pole) if at all possible. There are specialized bridging capacitors used with commercial level power line systems that connect between phases to give the signal a path, but installing these is a job for an electrician (or maybe Fireman and EMS...) That said, I have had them work across phases, it just depends on sensitivity and range. In the case where they did work we found that turning on certain devices, an air conditioner for example, would sometimes cause the signal to drop. 

#3 Chris Cosgrove

Chris Cosgrove

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Posted 07 February 2018 - 06:53 PM

A quick Google took me to a TPLink quick install guide where it says 'On the same electrical circuit' - text at top tight of page 1 here -




This suggests to me that they do need to be on the same ring main. They might work across two rings but this is obviously not guarranteed. Just a side point, I hope none of your neighbours are radio hams, I have seen reports that these devices can cause nasty interference in some of the amateur radio bands.


(For our American readers. In UK terminology a ring main is an electrical distribution circuit controlled by a single circuit breaker or a single fuse. In my house there are at least two ring mains for power distribution to the ordinary wall sockets with separate directly protected circuits for high current devices such as an electric cooker and a shower.)


Chris Cosgrove

#4 zzz00m


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Posted 12 February 2018 - 02:58 PM

I have had good luck with these.  Get them from a seller that accepts returns hassle free and try them out.




For the UK, you probably need to shop these models.  https://www.amazon.co.uk/s/ref=nb_sb_noss/258-3864018-4098951?url=search-alias%3Daps&field-keywords=netgear+powerline

Edited by zzz00m, 12 February 2018 - 03:05 PM.

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