TELEPHONE SOCKET WIRING - HOW TO DO IT The socket box mounting holes are slotted to allow horizontal and vertical adjustment before tightening the screws fully. Cabling House telephone wiring uses cable containing six 0 diameter solid conductors. It is important that this size of wire is used or a good electrical connection cannot be guaranteed and there could be problems in the Related searches for bt phone junction box wiring diagram phone junction box wiring diagramjunction box wiring diagramtelephone junction box wiring diagramelectrical junction box wiring diagramtrailer junction box wiring diagramwiring a junction boxtelephone box wiring diagramoutside phone box wiring diagram