Answer
Sep 13, 2026 - 06:09 AM
A smart switch without neutral works by allowing a small amount of current to flow through the circuit even when the switch is off, using the load (such as a light bulb) to complete the circuit. This trickle of current powers the smart switch’s electronics without needing a dedicated neutral wire. However, they typically work best with certain types of loads, like incandescent or some LED bulbs, and may not function properly with all lighting types.
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