Jon, first I thank you for explaining what I believed but did not know how to express. [Linked Image]

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Now jumping over to Bob's example. The answer to Bob's question would incorporate a number of factors which would totally hide the point of the discussion,

Yes, that came to me as I was driving to work this morning. [Linked Image]

I think my question would have been better if I simply said what is the voltage drop of a certain conductor at 0 F and 86 F.

Thanks again for spending your time on this, during my ride in I was realizing how complicated this little problem was.

Bob

Bob Badger
Construction & Maintenance Electrician
Massachusetts