Telephone Extension Wiring Diagram Uk
Wiring a telephone jack after installing the cat 3 3 pair phone wire i am ready to install the wall jack.
Telephone extension wiring diagram uk. Note that this is the latest type available with a bell circuit filter the cylindrical protrusion next to the terminals telephone wiring colour code what do the wires do. Replace the old wiring with a brand new length of telephone cable and get rid of any redundant obsolete junction boxes at the same time. Telephone wiring diagram for home telephone jacks. However is now updated with other tips and tricks to improve line stats further.
Note that with the two rightmost 2 wire examples in the diagram going from rj11 to bt will involve the colour code going wrong at one end or the other unless a junction box or joint is used. The wiring diagram for a master lju socket is shown here. Lengths of cable should only be joined in a telephone joint box see below. Telephone extension sockets have 6 connections labelled 1 to 6.
Extensions should not be fitted in bathrooms wet rooms or near swimming pools. If the lead has a bt adapter at one end the colour swap is usually made there usr tended to swap it in the rj11 plug others do their own thing. You will have a wide variety of telephone jacks to. A telephone extension should never be installed in a bathroom or shower room.
United kingdom internal phone systems. The length of the cable between the master socket and the furthest extension socket should not exceed 100m 328ft. The standard telephone extension wiring is installed using 4 wires although only 3 are actually used. Note that the pictorial view shown above only serves to indicate the two differing types of sockets and wiring connections.
Uk law states that the telephone master socket must be fitted by the phone company but extensions may be added after this up to 50 yards away from the master socket. The blue pair usually consisting of a blue wire with white rings and a white wire with blue rings carries the main telephone signal. Telephone extension wiring coated with layers of paint spoils your house if you try and re attach it to the skirting. How the uk plug and socket telephone system works.
Run the cables to the extension socket positions in accordance with your plan. One of the wires from the orange pair is used to carry the ring signal. Telephone cable should always run at least 2 inches away from other domestic electrical cables. 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.
Contrary to how it might seem c1 is connected to terminals 2 3 not 1 4. Never use stranded wire mains cable or bell wire. Feed the cable through each socket box entry hole and leave about 200mm 8 of cable spare at the socket. This telephone wiring diagram with photos and instructions will show you the direct steps to correctly wiring a telephone jack.