The plugs claim to save customers money on their electricity bills by ‘stabilising’ voltage and ‘balancing’ electric current to ‘optimise’ the performance of household appliances.

testing found no evidence that they worked. The plugs claim to save customers money on their electricity bills by ‘stabilising’ voltage and ‘balancing’ electric current to ‘optimise’ the performance ...

Dangerous ‘energy-saving’ plugs are still widely available through online marketplaces at a time when ... The plug-in devices falsely claim to save you money on your electricity bill by ‘stabilising’ ...