Thats where the Lineman splice comes in.

It is shown at2:02of the video above.

According toMake, this splice is the preferred connection method ofNASA.

Conductors shall not overlap the insulation of the other wire.

This wraps the wires together then twists them back onto themselves.

Enjoy your stronger and space-ready connections.

How to Twist Wires for Soldering| Wire Barn (YouTube)