3-Way Light Control

Posted on Aug 9, 2012

This hookup is useful in some house wiring situations, where only two wires are available between switches, rather than

3-Way Light Control
Click here to download the full size of the above Circuit.

the usual 3-way setup where 3 wires are required. SI and S2 are ordinary three-way switches and S3, a DPDT switch, is commonly available as a four-way switch at hardware stores.

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