If you need to be able to turn the lights off from any place the switch is located, then we refer you back to the wiring of the two-way and ... As shown, the circuit will simply cause a light to go out if any switch is opened. Thus ... Suppose that you have a room downstairs where there is a light switch and that you sleep upstairs, anbsp;...
|Title||:||Electrical wiring handbook|
|Author||:||Edward L. Safford|