The gtnc 4 rtshk iv is a gtn 4 socket that has an additional circuit. Extending the line from the master socket to an extension socket has a basic requirement of 3 wires pins 2 5 and 3. Wiring Connecting Bticino Living L4231 Telephone Socket Phone Socket Wiring Wiring Diagram Digital Multimeter Glossary Fluke The capacitor enables phones that have their bell circuit wired with one. What is the purpose of a capacitor in a telephone socket . The lack of a capacitor usually indicates you are not connected to the master socket. The metal pins are machined rather than stamped so they are a bit more expensive than most standard sockets. The resistor is used for line test facilities when there is no phone. I am sure that be broadband support or one of their support forums should be able to help you. This arrangement is called snubber circuit. Phone l...
