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Description
Live in an older house? Unsure whether or not you have a Mains Earth in your socket? This simple to use Socket Checker will determine whether firstly that your socket is safe to use, and if not, indicate what the problem may be. Secondly, if all three lights light up, then you have a safe Earth, Live and Neutral. Then you know that plugging any kind of grounding technology into this socket will be successful.
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