Could you perhaps rephrase/restate the question. In the US, all incandescent theatrical light fixtures are 120VAC. If your supply has 220V, it also has 120V. A "220V
dimmer" would supply 220V to the 120V lamps. They'd be bright, but would not last long.
This borders on our
Safety Policies of
"If you have to ask, you shouldn't be doing it," but we'll give you another chance to explain.