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  1. J

    High zs

    Well after pretty much going through each circuit and finding three faults. 2 seperate loose Cpcs on ring final circuit and a neutral to earth fault where the screw of a socket was pinching a lighting circuit cable that had been run through a dual box to get to switch,However I still was left...
  2. J

    High zs

    They are Bg thanks I will try that Monday
  3. J

    High zs

    0.21 is my reading with earth taken out of board. Prev cert was 0.70. Leads all checked and new fully charged batteries
  4. J

    High zs

    I have done both adaptor and croc clips on terminals taken out of socket. Service ghead is about a meter/half from cu
  5. J

    High zs

    yes, kept rechecking it. Since I posted I have started to break the circuits down I found broken earth on one of the ring circuits but not in socket or jb but the cable itself which I will replace. Another strange thing which I found just before I stopped for the day, set my tester to continuity...
  6. J

    High zs

    Evening all, Got a strange one that I could Do with a little advice. I have extended a radial circuit for an extra socket. R1r2 0.41 IR 84.5mohm and rcd trips in time. When doing zs I got a reading of 6.83 when I was expecting about 0.63 ish when ze was 0.21 on tns supply . Started to...
  7. J

    Contactum 7106mcb

    Evening, Did anyone know if the new contactum mobs replace old 7106 ones. If not are they any other brands that are compatible
  8. J

    Ariston 15 lux water heater

    Good evening all, Could someone just clarify the regs regarding water heaters. I have quoted to fit this by run new 4mm radial on 20 amp rcbo. The customer has now come back saying it only draws 9 amps so why cannot it come off ring. I have stated that any water heater 15 litres or over needs...
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