Quote Originally Posted by branba88
bought these ballast and lights off of craigslist. they came out of a catholic school gym. they are mercury vapor. but they are also hid's my only question s how do i figure out what type of bulb to replace the mercury vapor bulb, cause it might just be me but the bulbs socket end looks to be a bit bigger the n other hid bulbs. idk maybe not though you be the judge, any help would be greatly appreciated. i will post picks if i can get the posting figured out. oh yeah the light/ballast is made by a company call hollophane??? inside the hood there is glass and a cage holding the glass to the metal part of the hood. it says it can be wired for 120 and 220 and 240v and all that so it should work but like i said i have no idea so some sort of clarification would be greatly appreciate. mind you I am going cheap because I just got my card and I want to test to see if growning will be a possibility for me.
Be thinkin it the same and it can be wired fur yur regular plugin be what I did with mine I use Highboy be workin well by me pilgrem yual gunna love the difference ifin this be yur first big light. Good Luck have fun and be safe pilgrem. Be excitin trail yual on with this I know I was in a couldnt wait state of mine when I got it.

BWD