One-piece body and solid brass screw: one housing per conductor, individual tightening for each conductor. Extended range, for connecting 2, 3, or 4 network cables (1.5 to 50 mm2) and 1 or 2 lamp cables (1.5 to 16 mm2). No galvanic corrosion with the copper conductor over time. Each conductor can be disconnected individually for testing or modification, leaving the other conductors connected. Manufactured from Self-extinguishing polyamide casing.