Being a miracle of modern manufacturing doesn’t mean Apple gets it right all the time; the UK adapter doesn’t use the ground plug, leading to the power supplies singing at 50 Hz when plugged in.
as it's four times speedier than the default plug in the box. Today's best Apple 96W USB-C Power Adapter and Apple 140W USB-C Power Adapter deals Apple 96W USB-C Power Adapter Being 'Pro' means ...