electric:adj.形容词.表示电的.
The electricity is running in the electric wire.
电在电线里流动
electrical:adj.形容词.表示与“电”相关的.
Department of Electrical Engineering:电机工程系
electric和electrical同为形容词.但electric描述的东东本身有电.电线有电哦,会让你受到伤害的.^_^