I HAVE BEEN TRYING TO FIND OUT HOW I CAN FIND OUT IF MY BATHROOM SHAVER SOCKET IS DOUBLE INSULATED? I AM TRYING TO BUY AN WATER PUMP DENTAL irrigator. THE STUPID THING IS THAT ONE IS NOT SUITABLE TO USE IN A UK BATHROOM AS IT HAS A 3 PIN PLUG SO THAT ONE IS NO GOOD. THE OTHER IS SAFE TO USE IN A SHAVER SOCKET BUT ONLY PROVIDING IT IS A D.I.S.S. WHICH I BELIEVE IS A DOUBLE INSULATED SHAVER SOCKET !!!! SO WHAT DO I NEED TO LOOK AT ? HAS ANYONE ANY CLUES???? GREATLY APPRECIATE SOME HELP PLEASE X