bill allemann wrote:
I need to run some stat wire well before I'll have an hvac guy involved.
What's the number of conductors and gage that's normally used?
This will be a fairly typical forced air and a/c installation.

It also depends on your thermostat. My White-Rogers 1F95-377
(http://comfortplus.white-rodgers.com...ltiandHeat.pdf)
- which I love because of the programmable fan control - uses 24V rather
than batteries for power, so it needs 5 wires.