Was wondering if this might work. Saw a video of an electrician who used a spiraly 13w incandescent bulb designed for a french 220v outlet as apposed to the standard American 120v; thus creating the same amount of power with and some ridiculous decrease in wear and tear on the bulb. both my lights are 120v so i do think its a different other than the remaining principle that the hps bulb, in theory would only give off in energy, the fraction of power its receiving that it requires, no? Who thinks i'll blow myself up? Anyone with some sort of post secondary knowledge care to shed some light?