Safety Earth Connection
3 entries.
 Keep a couple of mains neon testers around. It is also important to check if the tester is working before you go troubleshooting. The tester is made of a Neon Lamp and a Large Value resistor. Buy a good quality tester and do a visual inspection before use. Before plugging in mains powered equipment or accessories to your computer or laptop, that includes things like the monitor and charger...... ...check with a Mains Neon Tester the external metal part of the connector. if neon glows you have a earthing issue.
Mains Extension Board or Power Strip even called Surge Protector Box ... needs to have a Good earth connection. These boards have to be checked, repaired and cleaned every year. Corrosion on the Earth socket or plug or a broken internal earth connection can damage your Equipment, Computer or Appliance.
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