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Originally posted by: DanielB
I think I've got the answer. Turn two switches on, wait 5 minutes, turn one off. Enter the room. One will be on, that's the on switch. One will be off and cold - that the switch you didn't touch. One will be off and hot - that's the one you just turned back off before entering.
of course! how could I not think of that? duh! *Warbler slaps self in face again*
although I do have one question, why turn on 2 light switches to start with? Why not just turn on 1, wait 5 minutes, turn it off then turn another switch on and then walk into the room? You end up with the same results:
1 light bulb on
1 light bulb off and warm
1 light bulb off and cool