3 Way Switch Light Between Switches
No longer allowed after 2011 nec if no neutral wire in switch boxes 3 way switch wire colors.
3 way switch light between switches. Wiring a three way light switch. Light is controlled by two three way switches with the light between the switches and the power first going through a switch then to the light and onto the second three way switch. Option 1 is for power into the first switch wire to the lights and lastly wire from the light to the other switch. This configuration may be used in open plan homes or in large kitchens or great rooms where a central bank of lighting fixtures might be controlled from more than two entry points.
This option actually requires you to run two romex lines between the lights. Single light between 3 way switches power via switch power enters the circuit at switch box sb1 and the hot connects to the common terminal of the 3 way switch sw1 and the neutral is spliced through to the neutral terminal of the light. Line voltage enters the first 3 way switch outlet box light fixture is located between switch boxes. 3 way switch multiple lights between switches below ive shown two variations of wiring multiple lights between 3 way switches.
In the first position the contacts are connected straight through so that the switch has no effect. 3 way switch light between switches below ive shown two variations of wiring a light between 3 way switches. A third type is the four way switch which is used in conjunction with two three way switches to control lighting from more than two locations. With a pair of 3 way switches either switch can make or break the connection that completes the circuit to the light.
A 4 way switch has two positions. Wiring of 3 way light switches 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. Option 1 is for power into the first switch then wire to the light and lastly wired from the light to the other switch. The three way switch is a variation of the standard single pole switch which controls a light only from one location.
The ground wire is pigtailed with a wire connector at the switch boxes and the ceiling box.