"The only way to guarantee that a product is safe is to buy a known brand product direct from a reputable manufacturer."
It is absolutely unheard of that known brands like HP or Microsoft or Toshiba to use power supplies that catches fire. There were never recalls or anything like that.
"Check that there is a CE mark "
Because CE marks are known for good fire extinguishing properties.
"In June, the European Union issued a recall notice for the OTT TV Box 4K, a Chinse-made Android TV box, or Kodi-box due to a "serious risk of electric shock"."
I know I'm not a British, buy even I notice that they have problems writing down a name of a country. Even my browser addon noticed it.
BTW: