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  1. M

    Earthing in a flat

    Yes I'm with you. I mis understood your last message as I mentioned pfc before that. Oke more thing then as been a long day. On my test sheet what size do I put as the main earthing conductor if it's being earthed by the mineral gland. The mineral gland is fixed to a metal back box with has a...
  2. M

    Earthing in a flat

    This tester is new to me. I thought loop was used for zs And the higher of psc and pfc to get ipf
  3. M

    Earthing in a flat

    Have a kewtech kt65. psc, L-N pfc, L-E. Which would be the same test as zbd but on loop setting.
  4. M

    Earthing in a flat

    So zdb test between line and earth is the same as the test for pefc? But on a different setting
  5. M

    Earthing in a flat

    So to get zbd test between earth bar in board and line in main switch witch bonding disconnected. And to get pfc, test between line and neutral to get pssc and line and earth bar ( bonding connected) to get pefc which ever is highest give me my pfc?
  6. M

    Earthing in a flat

    I don't have access to the intake room so i can call supplier for ze. For zdb I still need to know what is the main earth don't I? So how do I do that from my first post.
  7. M

    Earthing in a flat

    Ok I can get ze by contacting the supplier but how about pfc?
  8. M

    Earthing in a flat

    I've never had to test a board in flat of those size just houses. I thought you test for ze by disconnecting main earth and test between earth and live into main switch? I can't do that here as I don't know what is the main earth. Am I doing This correctly?
  9. M

    Earthing in a flat

    Hi guys I'm new to testing. I have installed a lighting circuit and ring final which I am doing an eic for. I noticed in the board it seems like there isn't a main earth. The service cupboard on landing has 3 box with 3 meter for 3 flats on that landing. Those boxes are fed from a box in riser...
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