Wiring multiple lights to one switch5/26/2023 Then run 12-3/ground between the two 3 way switches. You can wire up the lights like you would wire up a regular 3 way switch:īlack & White (12-2/ground) from power running to the 1st 3 way switch.Ĭonnect the black power wire to the common screw on the 1st 3 way switch. So, no, if I've understood your question correctly, with ordinary wiring materials (no transporter beams or warp wires!), I think you'd need to use magic of some kind. Thus, each of these four wires has a state and function that is different from any other wire's state and function. You need four wires: a neutral which jumpers from light to light and is never switched, a switched hot which jumpers from light to light, and two travellers between the switches such that exactly one is hot at any time and exactly one is cold at any time regardless of whether the lights are on or off. Their only job is to provide alternative paths between two switches.īut wherever the wires actually run, the bottom line is this: In fact, they often are, depending on layout and distance. They can just as well be pulled through the wall studs or under the floor or through the attic. Now it doesn't matter whether the travellers happen to run from light to light. The other two-way switch has to connect to the "switched hot jumper".] That comes from the breaker panel or is tapped off of an unswitched portion of a larger circuit. [Furthermore, one of the two-way switches has to get a "hot feed"-an incoming wire to the circuit that is always willing and able to feed hot power. As long as the circuit is in normal operation, they are never both hot or both cold. They are complements in that when one is hot, the other is cold and vice-versa. Two wires used for alternative paths between the switches which we'll call "travellers". Let's call this the "switched hot jumper". One wire which is hot only when a combination of the switches results in an "on" condition. This is because each light has neutral connectivity whether the lights are on or off. One neutral wire to feed the lights and to continue from light to light. When all is said and done, four wires are needed:
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