Home telephone wiring in NZ

I had to perform some work on my home phone line including running new cable to a newly installed patch panel. I was suprised to notice that the existing cable had simply been twisted onto the incoming cable pair so this was quickly remedied.

Anyway, the incoming cable contained a single pair comprising of yellow and black wires. There had been several fingers in the pie and the cabling through the house was quite a mess, and figuring out the colour codes took a little bit of work, Here’s a guide for those living in an older NZ home who need to perform work on the phone line:

Cable Type Tip Ring
Incoming line Black Yellow
Existing house wiring Red White
Cat5 cable White(w/blue) Blue
Flexible phone leads Green Red

If you are still unsure, grab an LED and 10k resistor and connect the across the line. If it glows, the cathode is connected to tip and the anode to ring.

Connector Type Tip Ring
BS6312 (BT style) 5 2
RJ11 (6P6C) 4 3
RJ45 (8P8C) 5 4

2 Responses to Home telephone wiring in NZ

  1. Tony Girling says:

    Hiya. I ran a ‘phone extension from the POST outlet to plug my PC into. It works in that I can dial out and pick up calls using Bitware but when I try to send a fax from the PC it gets intercepted by the fax/phone attached to the POST outlet. Is this avoidable or inevitable?

    Ps. Are you the NZLamb from Blenheim?

  2. I appreciate, lead to I found exactly what I was looking for.
    You have ended my 4 day long hunt! God Bless you man. Have a nice day.
    Bye

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