A food defrosting/refrigerating storage chamber that is for defrosting or refrigerating and storing food in a space in which an electric field is formed by means of application of an AC voltage, and that comprises: a cooling device for cooling a storage chamber interior ; a plurality of voltage application devices ; a power supplying device for supplying power; and a connection circuit for electrically connecting the power supplying device and said plurality of voltage application devices to each other; wherein said voltage application devices each have a pair of electrodes disposed in the storage chamber interior and a voltage applying means for applying an AC voltage between the pair of electrodes ; wherein a space in which food is to be disposed is formed between said pair of electrodes ; wherein said connection circuit includes a first distributing device for distributing the supplied power from said power supplying device to a plurality of locations; wherein said power supplying device includes a control section for controlling supply of power and an output terminal connected to an output side of the control section to output power to the first distributing device ; and wherein said control section is constituted so as to control the supply of power to the voltage applying means via said output terminal ; characterised in that said connection circuit further comprises a second distributing device for further distributing the distributed power obtained by the first distributing device to a plurality of locations, the distributed power being supplied to said voltage applying means ; and said power supplying device has a casing in which said control section and said output terminal are arranged inside in a unitized form. a cooling device for cooling a storage chamber interior ; a plurality of voltage application devices ; a power supplying device for supplying power; and a connection circuit for electrically connecting the power supplying device and said plurality of voltage application devices to each other; wherein said voltage application devices each have a pair of electrodes disposed in the storage chamber interior and a voltage applying means for applying an AC voltage between the pair of electrodes ; wherein a space in which food is to be disposed is formed between said pair of electrodes ; wherein said connection circuit includes a first distributing device for distributing the supplied power from said power supplying device to a plurality of locations; wherein said power supplying device includes a control section for controlling supply of power and an output terminal connected to an output side of the control section to output power to the first distributing device ; and wherein said control section is constituted so as to control the supply of power to the voltage applying means via said output terminal ; characterised in that said connection circuit further comprises a second distributing device for further distributing the distributed power obtained by the first distributing device to a plurality of locations, the distributed power being supplied to said voltage applying means ; and said power supplying device has a casing in which said control section and said output terminal are arranged inside in a unitized form. <EOS>