Stop walking across a dark room to turn on the light. Install a 3-way switch and control lights from two locations.

In box 1, one of the wire bundles enters the box from the bottom. This three-wire bundle should consist of two colored wires (black, white) plus one of bare copper.

Knowing how to wire a light switch is critical if you are going to tackle the job yourself. Here we show you how to wire up a ...

Layer 2 Switches in Detail Aug 1, 2012 1:20 AM, By Doug Irwin, CPBE DRB AMD Every radio station has at least one Layer 2 (Ethernet) switch nowadays. They seem like the ideal device: You take one of ...