Socket & See SOK36 | Earth loop impedance test plug

The socket and see sok36 is a socket tester with a difference. Not only can it check that the socket is wired correctly, it can also check the earth loop impedance. The tester also has a polarity check and can also test the RCD is working correctly. The tester also has a built in self check. This tester is ideal for homeowners or landlords who wish to check their sockets are safe.

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