The Control Switch of Bulb

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What's the matter? 

Turn ON first light switch, wait a few minutes, then turn it OFF and turn ON the second light switch. Now go to the room, if bulb is ON then second switch is controlling it. If it's OFF, then touch it & if it feels warm then first switch which you had switched ON for a while. And if it isn't warm then definitely third switch controlling the light bulb.


Steps to find the switch controling the bulb
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