D. Stussy wrote:


>
> 1) I seem to remember a 1500 ft. limit for 10Mb. - not certain if that's
> 10BaseT or 10base2.

10base5 "thick coax" has a 500 meter limitation.

>
> 2) For underground, one can always run it inside a buried metal pipe.
> Theoretically, the pipe will isolate all static electricity (including
> lightening) to its outside. Note that this is for METAL pipe, so don't use
> ABS or PVC and think the same thing. 1/2" galvanized water pipe will do.
>
>

The metal conduit won't help for lightning. The large difference in
potential between "building A" and "building B" is what toasts stuff.