"I used a three-way switch to dim the navigation lights of my boat from the cockpit and turned them off using a three-way switch in the hallway. This switch also helps reduce power consumption on your vessel since you can easily turn off lights when leaving a room or area.Įxample of Three-Way Switch in a Sentence This increases safety in areas where visibility is important by ensuring the lights can be switched on and off as needed. Three-way switches allow for greater convenience in controlling the lighting in your space from two switch locations. Once you're done, you'll be able to control a light from two switches.
#3 WAY SWITCH CIRCUIT HOW TO#
The wiring is more complicated than a traditional single-pole switch, but we'll explain how to make the connections. Traveler wires are interchangeable on each. Introduction This story features diagrams that show how to wire 3-way switches. A 3-wire NM connects the traveler terminals of the first and second 3-way switch together.
The black (line) wire connects to the common terminal of the first 3-way switch. As such, someone approaching the stairway can turn on the lights and shut them off on the other end, or vice versa. In the 1st diagram below, a 2-wire NM cable supplies power from the panel to the first switch box. Three way switches are used in large areas where lighting control is needed from multiple locations to allow for safe navigation, such as:įor instance, a three-way switch can be used at each end of a long stairway on a yacht to enable lighting control at either end. The two traveler terminals provide alternate pathways for the current to flow through the switches, which allows you to turn lights on and off in a flexible manner.
Have another person stand at one switch, while you stand at the other.
#3 WAY SWITCH CIRCUIT INSTALL#
Run it to the new or existing box, wire as shown and install 2x 3way switches and a single wire nut and. The three terminals include one common terminal for the neutral wire and two traveler terminals for the black and red live wires. Wrap the terminals in electrical tape, and put the switch back in the wall box. Youll need a new length of 12-3 or 14-3 with ground. It’s referred to as a “three-way switch” because it uses three terminals inside the switch, not because it has three push buttons. A three-way switch is an electrical device that’s used to operate a single light fixture from two different locations.
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