Hey, Al, correct me if I’m wrong but the whole point of thorough and conscientious testing is to eliminate all those persnickety variables you refer to, or at least as many as you can.Well, of course, Geoff. Not sure what your point is, though, with respect to my comment about expensive in-wall wiring vs. Romex. Obviously not many of us are going to do A/B comparisons of those alternatives. And I see little if any reason to expect the findings of those few people who may do such comparisons to be applicable to other systems and installations, considering all of the variables I cited.
Regards,
-- Al