First strip together two ends of a wire by removing their outer cover. Now take alighter and start heating the wire ends. Heat the wires till it starts melting. When its starting to melt use another thin wire or rod and rub the wires so that the wires sticks tightly.
Soldering wires together. When splicing wires together, it is important to get an electrical connection that will keep conducting even after your soldering iron has cooled off