And yes, it works. So now you won’t have to get zapped by your computer case, or have to buy those 3 to 2 adapter, or rip them out of existing equipments. I discovered that you can actually ground to a metal switch box set in concrete (and ALL buildings in Taiwan have at least one of these!) Now I have to curse myself for not finding out earlier and ripped the third plug out of some equipments because I figure that no one in Taiwan cares about grounding.
All it costs to do is is 120nt for the 3 plug version, and some wires. Or else you can pay 400nt for an electrician to do that.