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  1. C

    TNS - to TT conversion

    there Is only one supply for both parts of the building so only need one TT rod, the head splits bits is one supply still
  2. C

    TNS - to TT conversion

    Apparently not, client had been told specifically to be responsible for their own Earth.
  3. C

    TNS - to TT conversion

    EDF have requested a building be converted to a TT system. Currently a TNS 2x100a head supplies a shop then a flat respectively. The are x2 fuse boards supplying the two areas each having 30ma RCD protection on all final circuits. Am I correct in saying in simple terms X1 earth spike Into...
  4. C

    EDF meter change fault

    There are no contact details for this Herbert
  5. C

    EDF meter change fault

    What is the voltage between live and neutral? And live and earth and neutral and earth? L-N 248v N-E 0V L-E 248v
  6. C

    EDF meter change fault

    It can’t be a borrowed neutral as when I turn off the flats consumer unit there is 0 current on the neutral.
  7. C

    EDF meter change fault

    fuse is still in place, there is no broken neutral as there is 0 current down the earth and the L-N impedance is 0.08
  8. C

    EDF meter change fault

    report attached from EDF meter man
  9. 869D4431-D89D-4BB8-8F88-B93A0A4C536C.png

    869D4431-D89D-4BB8-8F88-B93A0A4C536C.png

    • chris day
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  10. C

    EDF meter change fault

    i done an impedance test between the L-N at the meter and got 0.08 ohms so I don’t even think it’s a broken PME or neutral if that what they meant. The meter man said to the client with the fuse pulled out he was getting voltage on the neutral. Unless he has an different means of testing there...
  11. C

    EDF meter change fault

    Hello guys EDF came out to a flat and attempted to replace the meter. I have been called out to investigate there comments which are “unsafe to remove meter, possible borrowed neutral, voltage at meter even with fuse removed (dropped neutral test)” First off i am currently on site, I removed...
  12. C

    WiFi operated socket

    Hello guys Client wants to control a load attached to a 13a plug outside. Initially I was thinking of large ip rated box containing a socket with a WiFi plug adaptor which will be installed outside. If there an other ways?
  13. C

    Installing IP downlighters

    installing ip 65 gu10 downlighters within 2.25 meter height of zone one. What are the hard and fast rules because my reading of section 701 does not permit 230v ip 65 downlighters yet I see it everywhere?
  14. C

    6mm earth tn-s question

    Hello guys After doing the adiabatic the 6mm will be fine as the main earth on a tn-s 60a 16mm tail fuse board. Is there any reason past the Calc this may not be ok as running a new earth may be tricky
  15. C

    OLEV grants anyone claimed

    I am OLEV approved and still not gone through the process. It looks quite complicated and appears to be risky is OLEV pull the grant money after you have installed the chargers. What’s the claim process like?
  16. C

    Can two car chargers share the same TT rod

    Can two car chargers installed outside next to each other use the same earth rod? My thinking is yes ?
  17. C

    Any way I can get away with

    sorry, i was trying to say is there a way i can get away with not using a TT rod for car chargers installed outside on a PME system. (very anxious about banging rods into the ground) Pod point have a charger however the PME break detection device installed within is not to any BS standard to...
  18. C

    Megger MTB 7671 CHECK BOX

    i agree, just buy the resistance cards and mark an RCD socket in the house as a test socket, NICEIC never grumble
  19. C

    Earth rod installation services below

    Hello guys I have a job coming up where i will be installing x2 car chargers in an office car park (wall pods) supplied from a PME. When installing earth rods what procedures can anyone recommend to ensure you do not go through any services below? Site drawings would be ideal however they are...
  20. C

    Any way I can get away with

    Hello guys I need to install some external car charges outside in a car park on the wall. Problem being is that the building has a PME system and there are no drawings of where the services are buried so I want to avoid using an earth steak. Is there any way I can get away with not having to...

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