How can I open the brennenstuhl® CEE plugs and couplings? August 14, 2025 12:18 Updated IMPORTANT: This only applies to item numbers 1081030020, 1081020020, 1081010020, 1081050020, 1081040020, and 1081060020. Related articles Does the smartphone also have to be connected to the W-LAN to control brennenstuhl®Connect products? Why are the conductor resistance limits exceeded during the DGUV test of our brennenstuhl® cable reel or our extension cable?