Wayne recommends double-walled heat-shrink tubing. This type of heat shrink includes an inner lining of hot melt glue with ...

Slide the heat-shrink tube over the connector ... you may be tempted to just twist the wires and wrap the splice with electrical tape. It won’t work. Instead, head to a home center and get ...

That’s particularly problematic for things like wire splices in damp environments, something that no amount of electrical tape is going to help. Heat shrink tubing might be your friend here ...