Hey now, I read in another thread where you said a 220v ballast would cost 1/2 as much to run as a 110v!! I wasn't going to say anything buuuuttttt, you're billed by kilowatt hours, not amp hours, so you'd only save 2-3% at best, not 1/2 pffffft bwaha, what! :P J/K, everybody makes mistakes.