Ideas for hooking up fans in kegerator?

[TkmLinus]

Greetings everyone!
So I am relatively handy when it comes to putting stuff together, but I was wondering what is the best way to add fans to a kegerator? I have a danby fridge with the large plate that goes across the back. I want to add at least 3 pc fans, 1 blowing on the compressor, 1 circulating air in the kegerator, and 1 set up for a tower chiller. I was thinking about running wires up the condensation drain tube. What I was wondering is what is the most convenient and durable way to power the fans?
Thanks in advance!

 

[day_trippr]

I've always used 12vdc fans inside my keezers. They're cheap, can be powered by equally cheap wall warts sporting thin cords and are comparatively safe vs a 120vac fan.

Not sure about running wires through a "drain tube" though. Generally speaking wiring is not suitable for prolonged moisture exposure (there are exceptions but they are usually hella thick). Is there not a simple drain hole or other pre-punched accommodation available?

Cheers!