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...
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?
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.
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?
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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