Parallel connector for creating a potential equalization system in an explosive atmosphere. Tested to be spark-free for use in potentially explosive areas Ex Zone 1 and 2 (gases of explosion group IIC) and Ex Zone 21 and 22 (dust). Small version, for different rope diameters, secured with a spring ring and two screws to prevent self-loosening in accordance with DIN EN 62305-3 Supplement 2.