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Polarity is correct. With the KT64 (3 wire method) the lcd screen indicates if polarity is reversed or if no earth present. Which is confusing me as to why the loop test shows >1999ohms (as you'd expect if the earth was missing) Yet close the main switch and it indicates high E-N voltage...

Sorry..TN-C-S

Hi folks. First post, but need some pointers. Trying to complete a test on an empty property (to return to Housing Associatin) 1. Measured incoming Voltage at CU was 194V. Unable to complete loop/Zs/RCD tests (no probs I thought ..meter, kewtech kt64, not playing cause the supply V is too...