To enable a freezer to be operated while a structure of a terminal connector of an electrical power supplying cab-tire cord is improved and many refrigerators are arranged in the same space without a strain.

There is provided a refrigerator in which a freezer installed at the refrigerator 13 in a transportation base is operated to freeze cold heat accumulation material, accumulate cold heat, refrigerate a product with the cold heat accumulated therein and transport it. A connector at the refrigerator 13 is applied as a male connector, and a connector at the electrical power supply is applied as an L-shaped female connector 12.