Need to Run a circuit for a Jenn-Air Range. The name plate says 20 amps for this particular model (combination gas and Elec.) The instruction book says 30 a circuit. The 50amp cord is already connected. I called customer service and and they didn't have any KW rating listed. Was wondering if anyone had run a circuit for one of these combo's. I guess #10 is ok? I'd be more comfortable with a KW rating. Thanks