BQLZR Desk Light Parts Touch Control 3 Way Sensor Dimmer for Bulbs Lamp Switch AC 220V 120W 3A Table Desk Light Parts Due to energy-saving lamps are not dimmable, and so was the third gear touch sensors only applies to ordinary light bulbs (1A: less 60W; 3A: 120W or less), not adapted to energy-saving lamps and LED lamps. Touch Control Sensor wiring method Black lines are shared zero (which are connected to the input and output of the zero line)