Jerry wrote:

That's an excellent idea.... but I really hate water in my electrical
conduits.... I'll use that as a last resort. Thanks.

Ed


When in doubt, couple ways the Pros do it:

1) Run a Metalic Snake thru it, and hook to a (Low Power RF , or a
Fairly high power A.F. source-- follow the snake (above ground with
an inductive sampler ( or rf receiver)) to the end - use a cable
marker (Paint) to follow the duct if needed to find an intermediate
point , then repeat agan if necessary.

2) for those that have access to a "THUMPER", can do the same
Apply high level of sound to the PVC, and use a listening device
to follow the noise, in the ground.

Works for locating buried cables for utilities- should work for you!
Jim NN7K