The Megger MST210 socket tester is a plug-in style tester designed to identify wiring faults at UK BS1363 13A 3-pin power sockets. Over 17 combinations of wiring fault can be identified including missing wires and incorrect or reversed connections. Faults are signalled by 3 bright LEDs on the front of the unit, with a simple diagnosis chart for typical errors included on the label next to the LEDs, 2 green LED’s signal a correctly wired socket, and a third red LED identifies a fault. If either green LED fails to light, or the red LED comes on, a fault is present and will require further investigation.

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