2 Way Switch Wiring Two Lights. Two way switching is the most common requirement for many household and commercial lighting solutions. One way one-gang on landing to control just the landing.
One way one-gang on landing to control just the landing. The switches are called three way, probably because they have three terminals on them. The first light is working with the switch (where power enters), but the second is not.
But remember that each switch requires two blacks — one.
It looks like the previous owner put in a new switch to control the light/fan in the living room and rigged the old switch up incorrectly.
Two of the white wires must be remarked black where the feed the switches. A three-way switch is built and wired a little differently than a conventional single-pole light switch. For example, this allows lighting in a hallway, stairwell, or other large rooms to be controlled from multiple locations.