Shown below are two fixtures between 3 way switches. 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.

Neutral Necessity Wiring Three Way Switches Jlc Online
Wiring diagram for three way switch with two lights. The steps above describe installing a 3 way switch and provide a 3 way switch diagram utilizing one light fixture. Option 1 is for power into the first switch wire to the lights and lastly wire from the light to the other switch. This circuit is wired the same way as the 3 way lights at this link. Wiring a 3 way light switch. 3 way switch diagrams for multiple light fixtures. It is true that there are several wiring configurations for wiring 3 way light switches and all of the wiring configurations will depend on where the incoming circuit power is located and once that is identified the rest of the three way wiring connections are straight forward.
In this wiring the source is at sw1 and 3 wire cable runs between each switch and the ceiling fan. Wiring multiple lights on a 3 way switch. 3 way switch multiple lights between switches below ive shown two variations of wiring multiple lights between 3 way switches. 3 way switched outlet wiring. In the united kingdom some electricians use an alternative method for wiring two way switches as depicted in the above wiring diagram. End of run lights controlled by two three way switches these end of run lights are controlled by two three way switches with a two wire cable power source coming through the first three way switch.
With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Note that this configuration is easiest to do when utilizing the first method of 3 way circuits discussed previously in our wiring a basic 3 way switch article or diagram. This option actually requires you to run two romex lines between the lights. This is the same arrangement as the second diagram on this page with a fan in place of the light fixture. The power source is via the switch box sb1 and a 3 wire cable c1 runs from there to the first fixture f1. This diagram sh ows connections when the power comes into the first switch on to the second switch and then on to two or more lights switched by the 3 way circuit.
Uk two way switch wiring diagram. Three wire cable runs between the switches and the outlet. Here a ceiling fan with a light kit is controlled with two 3 way switches. If you intend to add multiple lights with a 3 way switch use the 3 way switch for multiple lights diagram. In this diagram two 3 way switches control a wall receptacle outlet that may be used to control a lamp from two entrances to a room. Two way switches and three way switches operate the same way and have the same connection points they just have different names in the uk which are common l1 and l2.
Tipthe white or neutral wire goes completely through the connection system with pigtail connections at both switches and the first light box. Ceiling fan 3 way switch wiring.