Quote:
..Your point that a solder joint won't handle strain is well-taken...


Only if you are talking about a simple rattail joint. There are splices that take more time to create but are as strong as the original wire. It's all in how the wire is twisted or knotted.

http://www.saskschools.ca/curr_content/paasurvey/elec/lesson5/lesson5.html

http://www.hardscrabblefarm.com/ww2/field_wire_splice.htm
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Glenn