3_WAY_LIGHT_CONTROL

Published:2009/7/9 23:04:00 Author:May | From:SeekIC

This hookup is useful in some house wiring situations, where only two wires are available between switches,rather than the 3-way setup where 3 wires are requires.S1 and S2 are ordinary three-way switches and S3,a DPDT switch,is commonly avaliable as a four-way switch at hardware stores.



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