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Can I plug indoor earthing products into an extension lead or powerboard?

Yes, you can safely use your Better Earthing Adapter with an extension cord, power board or standard double adapter provided that they are earthed. Just ensure that your extension lead or powerboard has a third pin for earthing. Then use one of our inexpensive multimeters to check that your extension lead or powerboard properly conducts earth. We’ve found that cheap powerboards from China may conduct electricity but don’t transfer earth! The best way to verify that earth is coming through is with the simple multimeter test as outlined in our Multimeter Guide.

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