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[Mark Turner <jmarkturner AT gmail.com>]

I've found that flexible pool vacuum hose works well for low-voltage 
conduit. You can get a 25 foot roll of pool hose at Lowe's for $11. 
Check their garden department.

--
Mark Turner
www.markturner.net

Scott Russell wrote:
> On Sat, 2009-10-31 at 08:55 -0400, Jim Ray wrote:
> > I put in 3" white PVC from wiring closet to basement and from wiring
> > closet to attic so I could easily move/add/change wiring in future to
> > 1st floor from basement or 2nd floor from attic. National Electric Code
> > does not require conduit for low voltage.