Image Notes 1. Melt end with a lighter, and heat about 1/4" near the end to lightly glaze- this should probably be done in a well ventilated area.
http://www.instructables.com/id/20-Unbelievable-Arduino-Projects/
Image Notes 1. This wire was for prototyping to keep the zip tie in place. Later removed. 2. These were later replaced with larger plastic loops.