Grey for standard circuit, blue for neutral conductor, orange for circuit not broken by the master isolating device, red for special circuits (safety, protected, etc), green for protection conductor class II equivalent assemblies
Used to make the electrical connection between 2 flexible copper wires with or without ferrules or 2 rigid copper wires 2 areas for automatic insertion bridging combs up to 8 pitch (upper level only for multi-level blocks) For rails depth 15 mm, depth 7.5 mm and 15 mm
