GE JP3021DPBB 21 Radiant Electric 2 Burner Cooktop. 21 Inch Electric Cooktop. Ceramic Glass Smoothtop means cleanup is quick and easy. Consistent heat and glass surface provide fast, even heating. 9″/6″ dual element with 2500W capacity. Element – Left Front. Element – Right Front. 1 Hot Surface Surface Element “ON”. 240/208V; 60 Hz; 20A. Cutout Dimensions (Width x Depth) In.