I jst bought a 400 watt metal halide ballast and bullb with cord hooked up to a 220v plug, the kind for your washer and dryerr. But my closet is 120v, what do i need to do to powerd the light in my closet with out spending alot, the whole setup was 30$ on craigslist, the local school built a new gym and is sellin them fo 30 and 1000 watt m/h for 45$.. but any ways what do i do
http://dirtcheaplights.com/store/images/DB40ACRMTBILvl.jpg
http://dirtcheaplights.com/store/images/DB40ACRMTBILvl.jpg