Phone Extension Cord Wiring Diagram. It shows the components of the circuit as simplified shapes and the faculty and signal friends amongst the devices. Extension cord wiring diagram an extension cord also called an extension lead or power extender is a power supply expanding box.
On some installations of internal extension wiring post 2012 btopenreach have now come full circle and have reverted back to using white four core cable containing solid colours. At the first extension socket connect the conductors on the new cable to the same terminals and on top of the existing conductors. Unscrew the face plate on the first extension socket.
Take care not to cut the three wires inside.
This telephone wiring diagram shows the standard wiring for telephone jacks explaining the wiring connections for. The diagram below provides the transposition between these standards. Greenwhite means green base white overprint whitegreen means white base green overprint. At the first extension socket connect the conductors on the new cable to the same terminals and on top of the existing conductors.