Quote Originally Posted by Mike Kelsey View Post
The wire leads on both the thermostats & heaters are 12 gauge. Does a 30A circuit require 10 gauge even at point of contact with the device? Anyone know?
The #12 wire is good for up to 20A and since a heater and thermostat alone is under 20A they use #12. You will still need #10 wire for the combined load back to the breaker.