Old Bt Phone Line Wiring

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Telephone Engineer Local Independent Repair service | Telephone

Old house wiring colors uk Anyone know anything about phone wiring? Wiring telephone basics wire phone residential wires jack diagram house old green yellow telco red anyone anything know looks standard

Wiring diagram bt phone telephone line plug rj45 socket master jack rj11 nte5

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Old House Wiring Colors Uk

Telephone Engineer Local Independent Repair service | Telephone

Anyone know anything about phone wiring?