A refrigerator comprising: a heat-insulating main body; a storage compartment which is located inside said heat-insulating main body and has an opening in a front surface; a door of a hinged-type, which openably closes the opening and is capable of being changed from one of left-opening and right-opening to the other, by transferring a hinge member from one of an upper-left portion and an upper-right portion of said heat-insulating main body to the other; an information terminal which is provided on a front surface of said door and is for inputting or outputting information; a control board which is provided in said heat-insulating main body and controls said information terminal; a left-side wire which runs from said control board to the upper-left portion of said heat-insulating main body; a right-side wire which runs from said control board to the upper-right portion of said heat-insulating main body; a door-side wire which has one of its ends connected to said information terminal and the other of its ends exposed from an upper portion of said door; and a first connection terminal which is provided at the other of the ends of said door-side wire and capable of being connected to one of said left-side wire and said right-side wire (60a, 60b); characterized by a relay wire which is disposed above said door-side wire, along an upper edge of the door, and includes two second connection terminals (40a, 40b), one of which is exposed from an upper-left portion of said door and the other of which is exposed from an upper-right portion of said door, wherein: when said first connection terminal is directly connected to said right-side wire, the two of said second connection terminals (40a, 40b) are placed without being connected; and when said first connection terminal is directly connected to one of said second connection terminals (40a, 40b), the other of said second connection terminals is placed connected to said left-side wire. a heat-insulating main body; a storage compartment which is located inside said heat-insulating main body and has an opening in a front surface; a door of a hinged-type, which openably closes the opening and is capable of being changed from one of left-opening and right-opening to the other, by transferring a hinge member from one of an upper-left portion and an upper-right portion of said heat-insulating main body to the other; an information terminal which is provided on a front surface of said door and is for inputting or outputting information; a control board which is provided in said heat-insulating main body and controls said information terminal; a left-side wire which runs from said control board to the upper-left portion of said heat-insulating main body; a right-side wire which runs from said control board to the upper-right portion of said heat-insulating main body; a door-side wire which has one of its ends connected to said information terminal and the other of its ends exposed from an upper portion of said door; and a first connection terminal which is provided at the other of the ends of said door-side wire and capable of being connected to one of said left-side wire and said right-side wire (60a, 60b); characterized by a relay wire which is disposed above said door-side wire, along an upper edge of the door, and includes two second connection terminals (40a, 40b), one of which is exposed from an upper-left portion of said door and the other of which is exposed from an upper-right portion of said door, wherein: when said first connection terminal is directly connected to said right-side wire, the two of said second connection terminals (40a, 40b) are placed without being connected; and when said first connection terminal is directly connected to one of said second connection terminals (40a, 40b), the other of said second connection terminals is placed connected to said left-side wire. when said first connection terminal is directly connected to said right-side wire, the two of said second connection terminals (40a, 40b) are placed without being connected; and when said first connection terminal is directly connected to one of said second connection terminals (40a, 40b), the other of said second connection terminals is placed connected to said left-side wire.