[Les]

Dimming a pinspot should never damage your dimming equipment, but over a period time, it can destroy the transformer in the spot light. This is because transformer loads are refered to as inductive loads. Be careful about placing pinspots on some chase controllers. I know that back a few years ago, American Dj made a controller called the CC-500 that would actually become a fire-hazard when it was used to chase a pinspot. Make sure your controller or switch pac has what is called "zero-crossing" circuitry.