You must determine which needs saving and remove the other two. Each light is connected to one of three switches outside of the room. 27 MustKnow Tips for Wiring Switches and Outlets Yourself Each switch controls 1 of 3 light
100 Light Switch Riddle
100 prisoners are in solitary cells, unable to see, speak or communicate in any way from those solitary cells with each other. No prisoner can see the light bulb from his or her own cell. 12V 30 Amp Relay Wiring
