Solderless Wrapped Electrical Connections – Wire Wrap - NASA (2001)(workmanship.nasa.gov)
workmanship.nasa.gov
Solderless Wrapped Electrical Connections – Wire Wrap - NASA (2001)
https://workmanship.nasa.gov/lib/insp/2%20books/links/sections/301_Discrete%20Wiring.html
> Class A provides improved vibration characteristics, and is the required wrap style for spaceflight hardware applications.
> Class B terminations, characterized by the absence of insulated turns, are prohibited.
So one or two insulated turns make a notable difference in vibrations. Pretty neat.