There is an old puzzle that asks how to wire three three-way switches in such a way that each of them can switch on or off a lamp.
I cannot find the solution - is there a web page about this?
Heinz
Three three-way switches and a lamp
Oct 29, 2006
3 Replies
Apparently, 615000 of them.
formatting link
(1) This is NOT the puzzle about the three switches that you find everywhere. In fact, the wiring is not trivial.
(2) The link does not give the 3x3-way switch solution; only the easy
2x3-way plus 1xfour-way solution.Heinz
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