One wire comes in from the power source, and one wire goes out to the light(s). A 3-way switch adds two terminals for travelers, which connect two 3-way switches together.

The Wemo Smart Light Switch 3-Way is available now on Amazon for $49.99. Belkin says that it will also be available in Apple Stores next week. Add 9to5Mac to your Google News feed.

Here's how to swap outdated 3-way light switches for something much better. ... Turn the power off for the light switch circuit at the main electrical panel. Tyler Lizenby/CNET ...

Eve Light Switch requires a neutral wire and replaces a single-pole or 3-way switch. Only for use with copper or copper-clad wire in dry, indoor locations. Add 9to5Mac to your Google News feed.

The 3-Way Light Switch is available today from Belkin or from Amazon, and it will be available from Apple starting on June 18. Tags: Belkin, HomeKit Guide, Wemo. 4 comments.

We have a couple of 3-way floor lamps, ... I have a lamp with a three way switch and wanted the brightest possible light for my home office. I got very bright LED bulbs that are one way only.

Q: At either end of my staircase I have a light switch that turns the staircase light on and off. The problem is that the switches don’t work correctly anymore. What can I do to fix this? A: You ...

A light switch is the simplest of electrical devices. Flip the switch, electricity flows. Flip it again, electricity stops. Lights on, lights off. That's great for a small room with one entrance ...