American sockets and plugs are generally two cores as shown in the figure, and occasionally there are three cores with better versatility. A two-core plug can be inserted into a three-core socket. The domestic three-core one with two cores at a certain angle cannot be used, and the socket needs to be replaced.
220V electrical appliances cannot be used in the environment of 1 10V-240V unless they are adaptive (such as notebook computers).
However, American rice cookers cost only a few tens of dollars. In fact, you don't have to recite them all the way.