Do the LED illuminated switches need a neutral for installation? May 16, 2024 15:14 Updated Follow No! The LED illuminated switch does not require a neutral to work. Related articles What is the difference between Illuminated and Pilot Light Switches? Video - How to Install a Combination Device with a Pilot Light and Single Pole Switch Video - How to Install a Single Pole Switch Can I use an LED illuminated 3-way switch with a non-illuminated 3-way switch? Can I use a 3-way Illuminated switch with a Dimmer?