Can someone help explain why reflectometry is unavailable for diagnostics in a single wire? Or is it unavailable? I am a little confused as to why one could not use TDR on a single wire to find faults in the wire, such as nicks or corrosion... Is there a way to construct a model whereby this testing could be performed? In other words, if I have a wire connected from Port 1 to Port 2, could I connect an additional matched impedance load in parallel to my wire? Thanks for any input and advice!