Reporting to coworkers after I come back from a furry convention like:
@Dio9sys Basically, attach a pull string, drop into conduit, crawl space, or drop ceiling. Go to the other end and squeak a toy they have been trained to come to. Reward with treats!
I would NEVER drop a ferret into ductwork, I've had some get in on their own and it sucks to clean them afterward. Nor do I recomend using ductwork to run cabling, unless you are pulling rated cable through a a plenum.