hello all, hope all is well, i'm a newbie so go easy on me please. i have used forums in the past and they can be a great help because of the knowledge people have. i'm currently in night school training to be a spark was until covid anyway, going back in September to complete the final year and trying to get my head in the books again. i bought a megger mft1721 and have be doing some simple test at my flat which does not involve me entering any electrical fittings, like earth loop impedance at a socket the reading i am getting are between 69 and 72 ohms Pfc is between 3 and 5 Amps i guessing these reading do not comply, but i am trying to understand what they mean also i have tt earthing arrangement and the board is covered by and rcd. many thanks