Most Shelly devices can not work without a Neutral cable connected, but there are exceptions. Shelly 1L and Shelly Dimmer2 are used for lights and bulbs automation and do not need a Neutral cable.
Most Shelly devices can not work without a Neutral cable connected, but there are exceptions. Shelly 1L and Shelly Dimmer2 are used for lights and bulbs automation and do not need a Neutral cable.