Quote Originally Posted by sundancerx View Post
edit: also if i may add (just trying to recall whats on my head, not searching or anything), volts doesnt produce heat. its the current that flows through the circuit that does. as current flows, resistance is encountered. when there is resistance, there is friction which in turn generates heat.
volts and amps can be converted inbetween each other. they both produce heat. as you know fan controllers use resistors to lower the volts which in turn lowers the fan speed. if you have ever touched one of those resistors they get pretty hot because they produce heat from lowering the volts.