Cooking appliance

A cooking appliance comprising:

• a top plate covering a component arrangement space;
• and
• an electric component part disposed in the component arrangement space,
• wherein the electric component part includes an electric component housing part forming therein a plurality of electric component spaces arranged in an up-down direction, and a plurality of circuit parts disposed in the electric component spaces,
• wherein each of the circuit parts is any one of a first circuit part and a second circuit part forming different circuits, and
• wherein a plurality of the first circuit parts are disposed in different electric component spaces, or the first circuit part and the second circuit part are disposed in different electric component spaces, or another electric component is interposed between the first circuit part and the second circuit part.