Wiring a computer fan

[Mrs. Greenjeans]

Here's the tut I used. Works like a charm.
Computer Fan Wiring - Growing Marijuana

Mrs. Greenjeans Reviewed by Mrs. Greenjeans on 03-15-2007. Wiring a computer fan I see that most CPU fans have some sort of 3 or 4 pin plug and run off of 12V DC. How do I mke this run off of the 120V AC coming out of my wall sockets? Rating: 5