Traveler wires are interchangeable. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box.
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Meross 3 way switch wiring. 8 x wiring nut. Single pole or 3 way. 1 x user manual. Smartphone running ios 9 or higher android 41 or higher existing wifi network. Pairing the primary to the secondary switch step 1 ensure powerbreaker is turned back on and the led on both wall switches are solid purple. First you will pair the primary switch to the secondary switch then you will add the primary switch to your wi fi network.
0457 meross smart wifi 3 way switch compatible with alexa google assistant and ifttt easy in wall installation no hub required control from anywhere mss550 setup. Create onoff schedules or auto off timers to work automatically. Turn lights onoff from anywhere anytime with your meross app. Now go the other switch location. Learn how to install 3 way smart wifi light switches with this step by step video. Meross app setup.
As always please consult a certified electrician if you have any questions or concerns. Led indicator helps find the switch easily even at night. Every wiring setup is. Set the electrical tester to the continuity or ohms setting. Touch the probes to the 3 wires removed from the switch until you get a reading on the tester indicating continuity. 1 x smart wifi 3 way dimmable switch master 1 x 3 way dimmable switch add on 2 x faceplate.
Replace one traditional 3 way switch to make the whole system smart. Typical 3 way switch wiring nm cable. Wiring a 3 way light switch. 1 x wiring label. Wiring a 3 way light switch is certainly more complicated than that of the more common single pole switch but you can figure it out if you follow our 3 way switch wiring diagram. The black line wire connects to the common terminal of the first 3 way switch.
Meross light switch fits for your existing 1234 gang standard size decoragfci faceplate. 0 c 40 c 32 f 104 f. Works with amazon alexa apple homekit google assistant and smartthings. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. The wireless setup is a two step process for a 3 way switch configuration.
Replace your traditional 3 way switch with meross 3 way smart switch or use 2 meross 3 way light switches to control the light from 2 locations such as the top and bottom of a staircase or from house to garage etc. At the switch where you found power in step 2 put the other 2 wires you removed from the switch together and wire nut them.