An electrical apparatus may include: a housing accommodating an electrical device; and a connector connected to an outer surface of the housing, in which the connector includes: a connector body including a terminal electrically connected to the electrical device; an upper shell covering a back surface of the connector body; a lower shell fixed to a lower portion of the connector body and to which a shield tube surrounding a cable connected to the terminal is fixed; and a guard plate fixed to the lower shell and extending between the upper shell and the connector body.