hosehold socets do not come with a ballast ,,, and they are rated to somthing like 150 watt ,,, normal household lights ,, people usually put 60W in them ,, somtimes 100W ,,, but u can put a 40 W or a 15 W CFL if u want ,, if a ballast is rated to 600W & u put a 1000W bulb in ,..ur fucked ,,, ...