On Mon, 8 Oct 2012, David Griffith wrote:
A friend of mine described a time when he found a
cable tech in the
basement of a new building using what was essentially a shotgun to run
cable through ducts. I think it was a blank firing straight into the duct
with the cable coming in through a wye.
I have used a crossbow,
and a couple of times, I had my dog pull wire. He did OK, but nowhere
near as well as a dachshund trained for "earthdog"