Turn on one switch for five minutes then turn it off.
Basement attic light switch riddle.
You must determine which needs saving and remove the other two.
As long as you don t stop for a beer before running up the light that s off but warm to the touch is the first switch.
The light on is the second and the light off is the switch you didn t flip.
Each corresponds to one of the three light bulbs upstairs in the attic.
That is switch on 1 2 wait a minute switch off two and go to the attic and check if the bulb is on hot or cold.
It s basically the same solution as our first idea.
The three light switches sonal september 16 2015 at 2 00 am reply.
Flip a second switch and run up to the attic.
There are three switches in a basement.
You can turn the switches on and off and leave them in any position.
The door is closed and you cannot see if the light is on or off through the door.
Outside of the closet there are three light switches.
Switch on a bulb.
However you know the light is off to start.
There are three switches in the basement two of which are useless one is connected to a lightbulb in the attic.