A:Answer Hi Wayne876. In the U.S. the standard is 120V and 60 Hertz AC. The ENERGY STAR® Qualified LG 21.7 cu.ft. Smart wi-fi Enabled InstaView™ Door-in-Door® Counter-Depth Refrigerator, Model # LSXC22396D has to be plugged into its own dedicated outlet rated at 115 V, 60 Hz ( 115 volts is outdated and typically no longer supplied by utilities. However, 115 volts nominal may be referred to by equipment design standards as this is the Nominal Utilization Voltage as defined by ANSI C84.1.) 120 volts is the common lower voltage supplied by US utilities. It is provided by the utility as 120 volts ±5%. The refrigerator cannot be changed to a 50 Hertz frequency...^IFV