How To Draw A 3 Way Switch. A three-way switch is built and wired a little differently than a conventional single-pole light switch. I have inserted a picture that I drew up for my daughter when she questioned how to wire up a light that has two switches on it.
How to control a light from two switches.
FREE COURSE learn how three way switch circuits work.
I can not add any wires between the two lights as everything is closed up in the wall. You know the drill- one turns on the light, the other one will turn off but then the first one wont turn back on unless the other one is switched, etc. The simplest three-way-switch configuration (see drawing) is to bring power to one switch, to run three current-carrying conductors If you're troubleshooting, you could run into many different switch setups.
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