First put the first switch for half an hour, then put the second switch and go inside the room.
The bulb which glows is for second switch. Now touch other 2 bulbs. One which is hot is for first switch and the other bulb is for third switch..
Right??
The bulb which glows is for second switch. Now touch other 2 bulbs. One which is hot is for first switch and the other bulb is for third switch..
Right??