# CO2 glass laser tube: polarity and soldering the HV cables

- Source-Date (SAST): 2026-05-25 15:26
- Dest: both
- Review-after: 2027-08-31
- Status: current

## Facts

- How to wire and solder the negative and positive cables on a CO2 glass laser tube: https://youtu.be/lN3QDxeQYzA