Hello quick question, very confused with this, if I posted this in the wrong section please let me know, or move it.

https://i.imgur.com/Nh0wlG7.jpg

Theyre telling me that each of these wires (Green, and black) must be 220v, how is that even possible?? In the usa we have 220v and there 180 degrees out of phase (right?) How do you get 240v on a single wire?