Telephone Socket Wiring Uk
It looks to us that the whole area of phone socket wiring and cables confuses folks.
Telephone socket wiring uk. Electrical characteristics of the telephone interface are specified by individual network operators e g. First of all don t let the wires scare you. A master socket contains a 1 8µf capacitor to pass ringing current to the telephones a surge arrestor 11a or 26a to suppress high voltage spikes etc. However is now updated with other tips and tricks to improve line stats further.
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. A domestic single line telephone installation will have one master socket which is provided by the service provider b t cable company etc. Failing to do so will open the blades permanently damaging the connector. Telephone socket wiring this page describes how to wire and cable telephone sockets in the uk only.
A normal phone can be plugged directly into the socket remaining in the wall to test if the line is ok. And a 470k ohm resistor for testing purposes. Most people look at a cable or socket gasp and say spaghetti. The following pictures show the standard bt telephone wiring colour code used with the bt nte5 master socket.
This guide was originally created to show users how to replace and re wire the user side internal telephone cabling with category5e 6 cable in an attempt to reduce interference that could hinder broadband services like xdsl. In british telecom s sin 351. The ring wire or bell wire you have most probably heard of the ring wire or bell wire why it is bad news for adsl vdsl broadband. Removing the bell wire pin 3 on the idc block of the master socket eg nte5 can certainly improve adsl vdsl performance if you have internal extension wiring if you don t have any extension wiring then you shouldn t have a bell wire.
The fixed plug is a standard bt plug and socket and allows all the internal wiring to be easily isolated for fault finding. Telephone wiring colour code bt nte5 master socket. Please note you must use the correct inserter tool to push the wires in to the phone socket idc connectors. The connectors are specified in british standard bs 6312.
As with all electrical work if you are not trained or experienced in such matters then the advice is to seek the expertise of a professional.