Thank you all for the invaluable information. It would have taken a lot of screw ups for me to figure that all out. I am still going to however wire an outlet myself becuase I can't have friends know what I am doing. This is very hard because when they see the purple haze I have I will have to lie about the source and I hate lying. Plus I have to work while my roommate is gone and with assurance that he won't be home.

Anyways I was just up there working and noticed there is nice filtered ventilation. I was wondering what material I could use to make 1 wall out of to keep my Mylar room from overheating? Something that will still keep the air separate, I figure thin cardboard will work fine but any ideas are helpful. Is Mylar very flammable/what is its operating heat maximum? And there wouldn't be any fire problems by hooking up a computer case ballast to wood/Mylar, correct (400w hps)?

Also to test my wiring how long do you think I would have to wait up there and watch for smoke?