Multiple BT Master Sockets - is this an issue?

4 Jan 2012
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United Kingdom
Hi guys,

The in-laws had an issue with their phone and so correctly called out BT. As their line was terminated in the loft the BT engineer installed a new drop wire location in the hall and then wired from that to a newly fitted master socket.

This was great apart from the fact that there were two extensions coming from the old drop wire in the loft.

In an attempt to repair the problem I was going to run new cables to the old boxes but due to the location of the new master socket and the location of the incoming drop wire I wanted to wire the two extensions directly to the incoming socket (with additional master sockets) instead of running extensions from the master socket as it would use a lot more cable and the runs will look ugly.

Is it ok to do this, and will there be any issues? As long as I use ADSL filters on all the sockets I thought it should be ok?

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what you should do is move the new master socket to the new dropwire location first then run your internal wire from there to feed the old boxes and lastly fit a slave socket where you took the master from.

the way you were suggesting doing it is called star wiring and is not good practice.

DIYnot Local

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