Exactly my logic. I have the electronics and stepper motors at the top of my new printer build, and was actually thinking about running the Bowden tube through the inside of the coil to see how that worked/looked.
I have one of these scheduled to land in my mailbox today:
http://www.themakerhive.com/shop/viewitem.php?productid=20
It uses parallel wires for the hotend power, and appears to send up a common 12V and sink the current for each fan/LED/hotend. Since my effector has an LED light ring, thermistor, hotend, and E3D fan, it needs an umbilical cord's worth of wires to the effector plate.....