What electrical requirements does this refrigerator need for installation?

The refrigerator requires a 120 volt, 60Hz, 15 or 20 amp power supply with an individual properly grounded branch circuit or circuit breaker. The refrigerator must be plugged into a 3-prong (grounding) outlet and should never use an adapter plug or extension cord. Do not, under any circumstances, cut or remove the third (ground) prong from the power cord. (Pages 4, 17)