[gregsadetsky]

You can get an extension cord for Apple (computer) chargers which also carry a ground signal. Highly recommended.

https://www.apple.com/shop/product/MK122LL/A/power-adapter-e...

[throwaway4aday]

Typical Apple, making you pay extra for something that should come standard.

[AlexandrB]

It used to be standard. I don't know why they stopped including it. Well, actually I do know - $$$