BACK
Shielded Control Cable & Communicating Controls
#VVT
Tech Tips:
![](https://hvacrschool.com/wp-content/uploads/2021/04/Shielded_wire_4F-300x248.jpg)
When I first started in the trade, we used to run into shielded control wires on the Carrier Comfort Zone 1 zoning systems and also on a Carrier VVT system I used to maintain at a bank. I knew it had something to do with electrical “noise” and that communicating systems often called for it, […]
Read more