Wiring of a 3 way switch

Unhook the wires to the switch (Photo 1). In most cases, the existing electrical box will be too small to contain the additional wires and connectors needed for the three - way switch (see “Sizing the Box,” below, to find out). Notice that the wire connected to the COM terminals is looped straight through the intermediate switch using a . Think of your staircase or hallway.

Light switch at one en lights in the middle, light switch at the other end.

Trace the wires carefully in the diagram so you can connect them to the proper locations.

It should also help in understanding the .

How to wire 3-way switches using NM (Romex) cable with wiring diagrams included. Subscribe for more great videos! Wago (25) connector (25) connector (25) connector Lever-Nut Assortment Pack: Amazon.

Three - Way Switch Connections. A three - way switch has four different screw terminals on its body: The green screw is always for the ground wire (this is the bare copper or green insulated wire ). The two brass-colored screws across from each other are called the . And any defective switch or connection further . Learn about - way switch wiring including wiring diagrams. Follow Dominick as he shows you step by step how to get it right. Several arrangements of controlling one or more lights with two switches at two locations.

Here are several variations of using - way switches to control lights from two locations. The switch may also have several ways to make the wire connections. All switches have screws on the side, but some also come with push -fitting holes or slots to slide the wire into. With other switches , though, the traveler screws are paired on opposite sides of the switch , with the common screw located on the other end.

In the three - way switch scenario shown above, the fixture is placed between the switches. The capped off neutral is available in the second switch box should it be . These switches appear externally similar to single pole, single throw (SPST) switches , but have extra connections which . We worked with two master electricians with decades of experience between them to glean their tips, tricks and techniques. From straightening cable to labeling wires , these tips will help you wire better, fa.