Bt phone wiring. No matter what coloured wire is used the two wires always go to pins 2 and 5 at the bt end however it isnt safe to assume they always go to the center two at the rj11 end. Telephone wiring colour code bt nte5 master socket. British telephone sockets were introduced in their current plug and socket form on 19 november 1981 by british telecom to allow subscribers to connect their own telephones. In british telecoms sin 351.
This page was getting rather large so he sections on foreign phones and modems and installation and fault finding have been moved to their own pages please click on the links to go to them. The following pictures show the standard bt telephone wiring colour code used with the bt nte5 master socket. 2 blue wires are threaded into separate holes and the 2 orange ones arent. Electrical characteristics of the telephone interface are specified by individual network operators eg.
Well the good news is bt along with their suppliers cured this. Phone socket wiring hi bt community just checking my phone socket for when broadband activated tomorrow. However removing the bell wire is against the bt wiring specification. Removing the bell wire pin 3 on the idc block of the master socket eg nte5 can certainly improve adslvdsl performance if you have internal extension wiring if you dont have any extension wiring then you shouldnt have a bell wire.