Electrical safety experts found thousands of dodgy travel adaptors for sale on popular online marketplaces. Testers bought eight universal and six basic travel adaptors from marketplaces they suspected were unsafe. Yet you could have more than one set of prongs out while the adaptor was in use in six of the eight universal travel adaptors tested. The government department told Metro that platforms need to ‘act’ to stop unsafe products being listed to begin with. Multiple pins extendable at once Universal plug adaptors let you slide different pins to match the country’s outlet – but just one set at a time.