Electric connector assembly

An electrical connector assembly to be used with a plurality of conductor wires (8a) and an electrical device (60, 70) having a plurality of contact tabs (9a), said connector assembly comprising a casing (40, 50) which comprises a base body (10), parallel first channels (12) formed in said base body (10) and in which there are housed a plurality of terminals (7a) fixed respectively to said plurality of conductor wires (8a), and a plurality of openings (11) formed in the base body (10) in communication with said first channels (12) and arranged to receive said contact tabs (9a), such that the contact tabs (9a) are connected with said terminals (7a) when they are inserted into said openings (11), at least one of the first channels (12) being configured from a first channel part (12a) formed in the base body (10) and a second channel part (12b) formed in a complementary body (20, 30) coupled to said base body (10), said first and second channel parts (12a, 12b) complementing one another to form together the first channel (12) when said base body (10) and complementary body (20, 30) are mutually coupled, characterized in that said complementary body (30) comprises at least one second channel (22) in communication with a second opening (21), wherein said second channel (22) is configured to receive a terminal (7b) connected to a conductor wire (8b) and said second opening (21) is arranged to receive a contact tab (9b) of said electrical device (60, 70) such that the contact tab (9b) is connected to said terminal (7b).