Move Electrical Panel To Garage . Looks like most or all 12 & 14 romax is coming from that wall. Run the conduit from the garage to the main panel box. Adding electric to detached garage Community Forums from www.doityourself.com Electrical panels need to be installed 4′ off the ground with the center grip handle of the highest circuit breaker is no more than 6’7″ high to be nec compliant. March 5, 2014 at 9:45 pm. Not free, but not impossible.