For best results: Use heat device of at least 1000°F. Don’t overheat tubing. Don’t isolate flame. Distribute heat evenly over tubing. Heat until solder flows into wires and the red dye disappears from solder sleeve. Some red dye may remain in wire strands.
Unless otherwise stated: Rating: 221°F Max., 600V Max. building wire, Stranded copper wire only. Not for multiple wire connections.