An electrical adapter (100) includes a first housing member (1), a second housing member (2) coupled with the first housing member, and a number of first, second and third conductive terminals (312, 322, 332). The first housing member has a first
mating face (11) defining a first upper and lower receptacles (111, 112). The second housing member has a second
mating face (21) defining a second receptacle (211). The first, second and third conductive terminals (312, 322, 332) respectively have contacting portions (314, 324, 334) extending into corresponding receptacles. Latching means are arranged between the first and second housing members so as to fasten the first housing member and the second housing together.