Re: Taiwan
@My-Handle
Yes if the 220V appliance was pulling well below max current, then yes, a drop in voltage would pull more current but the 110V cable could be fine.
However...
If the machine was already pulling significant current (lets say maximum to make the point clearer) at 220V, a cable spec'd for the same current but at 110V would have significantly more power going through than designed. 100V cable would obviously get then hot, and depending on spec and manufacture of the cable, failure would be through either insulation breakdown, or the wire itself would effectively act like a fuse and burn out.