1 visit to room
How it works:
1. Turn ON switch 1 → leave it ON for a few minutes
2. Turn OFF switch 1, then turn ON switch 2
3. Go inside the room:
Bulb that's ON controlled by switch 2
Bulb that's OFF but still warm/hot controlled by switch 1
Bulb that's OFF and cool controlled by switch 3
That way, you know exactly which switch controls each bulb all in just ONE visit!
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