2006 Honda CRV-starts fine but A/C, fans, power windows, and power door locks will not operate,-radio, wipers, lights work. Is there a relay that controls the inoperative accessories or is the key switch likely at fault.

Test all under hood and under dash fuses with a test light or multimeter:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-selected-other-vehicles-46563-3.html#post252145

All fuses checked good

Check the ignition switch for something funky.