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I had a suspected earth problem with an external socket on my garage and I purchased this to check this socket and all of my other sockets. Very easy to use. I found two sockets with reversed polarity, two sockets with high earth resistance and one other external socket with NO earth at all; the earth wire on this socket was not even connected to the earth pin. All sorted and rechecked, everything now working correctly. It's not cheap, but the advantage of the earth loop test facility makes this a great little tool.
Verified purchase: Yes | Condition: New
been using one of these for many years,good quick test device.
Verified purchase: Yes | Condition: New
Great piece of kit just great time saver when testing sockets
Verified purchase: Yes | Condition: New
Because it allowed me to check the wall sockets and extension leads without having to get an electrician in saved allot of time and money.
Verified purchase: Yes | Condition: New
Makes life so much easier and safer
Verified purchase: Yes | Condition: New