Testing accessory for earthing sheet or earthing mat to check that a power socket (or extension) earthing connection is available. It is nice to be sure that the earthing circuit is there and you can test all sockets for proper function., Indicates earth connection present, live/neutral reversed, missing neutral, missing earth, live/earth reversed, making it useful as a general socket testing device to tell if your sockets are safe, Simple to use - just insert into a socket, with clear LED indication of status. It is unusual for a UK socket not to be earthed but it does happen: in older houses, those converted to flats and where the earth wire has become disconnected, For some eastern European countries and at times in Italy only some sockets are earthed., For fuller earthing system integrity and conductivity tests see Earthing System testers.
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