Jon, nice post. [Linked Image]

I looked at sgreany's post

Quote
One size difference will make a huge price change. It needs to be accurate.

early this morning and did not have time to answer.

My answer was going to be it is imposable to be accurate. There is no 'right' answer to the question.

It is reassuring to me that my answer is in the same ball park as yours. [Linked Image]

Bob

Bob Badger
Construction & Maintenance Electrician
Massachusetts