Parallel connector for establishing an equipotential bonding system in explosive atmosphere. Non-sparking and tested for use in explosion-hazardous areas Ex zone 1 and 2 (gases of explosion group IIC) as well as Ex zone 21 and 22 (dusts). Large type, for different cable diameters, with spring washer and two screws, secured against self-loosening in accordance with DIN EN 62305-3 Supplement 2.