Laptop fans won't be 120 volt.i am doing it for 8 150W HPS lights---------do i need a fan in the box to cool.......my buddy has 4 laptops that don't work that we could pull one of the fans out of
the mounting all the stuff will be easy part...running the elec will be alright..its just all the switches and what not...I JUST GONNA PAY AN ELECTRICIAN TO BUILD MINE