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). 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 .
Learn about - way switch wiring including wiring diagrams.
How to wire 3-way switches using NM (Romex) cable with wiring diagrams included. 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 traveler screws. These carry the power from one switch to the . Three - way switches have different methods of connection, depending on the brand of the switch. 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.
Follow Dominick as he shows you step by step how to get it right. Subscribe for more great videos! Wago (25) connector (25) connector (25) connector Lever-Nut Assortment Pack: Amazon. And any defective switch or connection further . How to use - way switches and 4-way switches to control lights from two or more locations. In building wiring , multiway switching is the interconnection of two or more electrical switches to control an electrical load from more than one location.
While a normal light switch . 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 . With other switches , though, the traveler screws are paired on opposite sides of the switch , with the common screw located on the other end. However, it can be difficult to wire these configurations with Nano .
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