Converting a two way light switch to a three way light switch is a great way to solve common problems with light switching. Converting 3 way switch to 2 way to make it smart.
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Convert 3 way switch to 2 way. Your circuit contains two 3 way switches. You dont need the other terminal on the three way switch so its fine to cover it over with electrical tape to ensure the terminals dont get mixed up. This is simple surgery but you need to take the switch in the middle the one with 4 terminals and 4 wires attached. Attach the red and black wires from the other bundle. Occasionally i may switch my receiver to direct mode but not too often. Turn off the power at the breaker box.
A couple of reasons behind my desire to convert from the 2 way to 3 way the 2 way was my first real speaker build and ive learned a lot since then. If you really want to replace the 3 way with a 2 way switch find out which wire is the hot contact wire. How to convert 3 way switches to single poleto convert a 3 way switch to single pole one of the traveler wires is removed from the switchin order for a 3 way switch to function as a single pole the wires need to be connected to the common and one of the traveler terminalsit will not work if the wires are connected to the two traveler terminals. Connect the wire from the common lug to the switch leg of the two way switch and connect the traveler leg that was hot from the test above to the power leg of the two way switch. Connect this wire to one terminal of the new switch and the common wire from the old switch. Just splice color to color that is black to black and whiter to white.
Disconnect the three wires from the three way switch. 2 connect either of the traveler wires to the load side. Then the other two switches will work normally as 3 way switches. 1 replace that switch with a single pole switch. I attempted to install a sonoff mini in my kitchen today and realized that the switch is powered through both switches before going to the light so the power from the source and the leads to the light are in different boxes across the room from each other. To use a three way switch as a single pole one connect the hot wires to the common terminal and the traveler on the same side of the switch body.
A regular two way switch allows a user to turn on the lights at one location only while the three way light switch allows you to turn the lights on and off at two locations with ease. I will always be running these with a sub during ht and most of the time with music. Referring to the diagram below. Similarly inside box 2 attach the black wire from the three wire bundle black white copper to the black terminal on the new switch. If the one you want to get rid of only has three wires. If the switch with the incoming hot is the one you want single control from shown at left.
Gallery of Convert 3 Way Switch To 2 Way
