Posted 6/13/2018 07:18 (#6809977 - in reply to #6809448) Subject: RE: transfer switch ?
Faunsdale, AL
You could use the double pole, double throw toggle switch to toggle the CONTROL wiring between the two appliances. Both could be wired in and breaker stay on all the time, just only one would be selected to run at any one time.
A wall thermostat can do the same thing, controlling AC and heat.