2 Way Light Switch
Assume that, with the switch up, terminals 1 and 3 are connected as
shown above. If the switch is down, then terminals 2 and 3 are
connected. You can see (if you trace through the wires and the switches)
that in the previous figure, the light is off. You can also see that if
you flip either switch, the light will turn on. And if you flip either switch again, the light will turn off. It is actually a very simple arrangement once you see it all exposed like this!
There
are several other ways to wire three-way switches to a light. For
example, the power from the fuse box could come in at the light fixture
and there could be two switches in series running from there. Or power
can enter at the fixture and then two switches can be arranged in
parallel from the light.
2 Way Light Switch
2 Way Light Switch
2 Way Light Switch
2 Way Light Switch
2 Way Light Switch
2 Way Light Switch
2 Way Light Switch
2 Way Light Switch
2 Way Light Switch
2 Way Light Switch
2 Way Light Switch
2 Way Light Switch
2 Way Light Switch
2 Way Light Switch
2 Way Light Switch
2 Way Light Switch
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