A connector includes a metallic male terminal housing with a plurality of first joining terminals aligned and accommodated therein, a female terminal housing with a plurality of second joining terminals aligned and accommodated therein, a stacked structure that when the male terminal housing is mated into the female terminal housing, within the male terminal housing, the plural first joining terminals an the plural second joining terminals face each other to form pairs, respectively, at one surface thereof, and the first joining terminals and the second joining terminals are disposed alternately, and an electricity screening plate disposed between the stacked structure and the male terminal housing to cover a side surface of the stacked structure facing the male terminal housing.