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Author Topic: O.R copper wires to back of main socket  (Read 3054 times)

SE

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O.R copper wires to back of main socket
« on: June 01, 2021, 07:36:16 AM »

Looking at the new? 2019 O.R socket with clip on front
and my older one with modem top, phone bottom

In the back plate on the wall looking through the cutout
I can see four wires, white, red, black and blue

I thought it was two, white A, red B (or orange)

The house has never had a phone until we got one in 2006 for ADSL

Is four the norm or has a O.R guy twisted two together

Also can I fit the new 2019 socket to the old wall part and use white/red
or is that O.R
« Last Edit: June 01, 2021, 07:39:53 AM by SE »
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burakkucat

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Re: O.R copper wires to back of main socket
« Reply #1 on: June 01, 2021, 06:17:36 PM »

In the back plate on the wall looking through the cutout
I can see four wires, white, red, black and blue

That does not appear to be standard Openreach wiring. Are you absolutely certain of those colours?
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licquorice

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Re: O.R copper wires to back of main socket
« Reply #2 on: June 01, 2021, 07:31:09 PM »

Are all 4 wires terminated? Pair 1 is Orange/White Pair 2 is Black/Green. Only one pair should be terminated, it doesn't matter which as long as it is the live pair.
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Black Sheep

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Re: O.R copper wires to back of main socket
« Reply #3 on: June 01, 2021, 07:36:55 PM »

That does not appear to be standard Openreach wiring. Are you absolutely certain of those colours?

Sounds like stranded cable (alarm wire) ..... but with a couple of wires maybe trimmed off at the neck ?? Yellow and green if memory serves ??
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licquorice

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Re: O.R copper wires to back of main socket
« Reply #4 on: June 01, 2021, 08:10:39 PM »

Sounds like stranded cable (alarm wire) ..... but with a couple of wires maybe trimmed off at the neck ?? Yellow and green if memory serves ??

Or poor colour recognition in a dark area, Red = Orange, Blue = Green
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underzone

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Re: O.R copper wires to back of main socket
« Reply #5 on: June 01, 2021, 08:15:21 PM »

Pics needed  ;)
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burakkucat

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Re: O.R copper wires to back of main socket
« Reply #6 on: June 01, 2021, 08:36:06 PM »

Sounds like stranded cable (alarm wire) .....

That thought had occurred to me, which makes me wonder who installed the wiring.  :-\
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burakkucat

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Re: O.R copper wires to back of main socket
« Reply #7 on: June 01, 2021, 08:38:49 PM »

Or poor colour recognition in a dark area, Red = Orange, Blue = Green

Hmm, yes. That's another possibility.
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SE

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Re: O.R copper wires to back of main socket
« Reply #8 on: June 04, 2021, 05:22:50 PM »

Im on it guy, will replace it next week
I'm colourblind  :)
But got the info from my wife as i have probs atm with a hernia  :(

Yes i did flag her on this and think as said dark corner low light
Id say two are pulled back and maybe cable tied, but i will look myself

I know there was a bell wire that was removed, then our new bt phone didnt ring so they came out and put it back

So whats on AB, is moved to AB  :)
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Alex Atkin UK

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Re: O.R copper wires to back of main socket
« Reply #9 on: June 04, 2021, 06:32:38 PM »

That's unfortunate, I've never found a phone that needed the bell wire and I've seen quite an improvement when I disconnected it from a friends extention.
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SE

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Re: O.R copper wires to back of main socket
« Reply #10 on: June 05, 2021, 02:49:29 AM »

Hi Alex
It was this
https://www.argos.co.uk/product/5528460?clickPR=plp:12:26

Not an old dial phone as you'd think
It was the only phone i found that needed a bell wire, but it was liked by others in the house  ::)

So the bell wire would not be AB, AB say white orange
Id like it pulled back and just the vdsl
« Last Edit: June 05, 2021, 02:53:40 AM by SE »
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Alex Atkin UK

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Re: O.R copper wires to back of main socket
« Reply #11 on: June 05, 2021, 06:16:53 AM »

That's even weirder than a BT branded phone would need the bell wire.

To note though, the bell wire isn't guaranteed to cause an issue, it depends on the quality of the extension cabling, how long it is and likely lots of environmental factors.
« Last Edit: June 05, 2021, 06:19:03 AM by Alex Atkin UK »
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tubaman

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Re: O.R copper wires to back of main socket
« Reply #12 on: June 05, 2021, 12:17:42 PM »

That's even weirder than a BT branded phone would need the bell wire.

...

I would say it is entirely expected that a BT branded phone would need the bell wire as that is the UK standard config. It is the main reason we have a bell capacitor in the master socket and why plug in dongle filters need them. We went that route with dial phones to stop bell tinkle on extensions when dialling. Other countries either put a bias spring on the bell to stop the tinkle or just put up with it, but being British we came up with what was at the time a good technical solution. It's true that lots of phones don't need that connection now but I don't think it's unusual to find those that still do.
 :)
« Last Edit: June 05, 2021, 12:44:17 PM by tubaman »
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Alex Atkin UK

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Re: O.R copper wires to back of main socket
« Reply #13 on: June 05, 2021, 09:07:12 PM »

Would simply plugging a filter into the socket at the extension negate the need to run the bell wire?  Or does the main filter prevent that working?
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tubaman

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Re: O.R copper wires to back of main socket
« Reply #14 on: June 06, 2021, 09:29:25 AM »

Would simply plugging a filter into the socket at the extension negate the need to run the bell wire?  Or does the main filter prevent that working?
Yes that would work as the plug in filters have there own bell capacitor. However if you have a central filter (SSFP) there is no need to disconnect the bell wire in the first place as the SSFP effectively isolates all of the extension wiring, including the bell wire, from the VDSL side. It actually works both ways, so none of the VDSL frequencies end up on the extension wiring and no frequencies that VDSL uses, eg those possibly picked up by the bell wire etc, can break back through to the VDSL connection at the master socket.
 :)
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