Tips when Using Shielded Wiring on HVAC Installs

When installing an HVAC system on a job that has a lot of electrical noise, shielded wiring may be recommended to ensure proper operation.
Do this properly by keeping a few tips in mind:
- The shielding must be grounded
- Connect the shield ground and uninsulated wire directly to the ground at the outdoor unit.
- Watch this video to understand the different requirements for single zone, multi-zone, and daisy chain communication systems like the GREE MultiPRO line.