Q:I have a three-way switch that controls the light at the top of the stairs. The switch at the bottom doesn't always work like it is supposed to. Sometimes when I turn it off, the switch at the top ...

How to clean up spilled paint; 3-way switches 101; Installing a split rail fence. Mauro Henrique shares how he cleans up paint when some spills on the floor. Heath Eastman breaks down how 3-way ...

A light switch is the simplest of electrical devices. Flip the switch, electricity flows. Flip it again, electricity stops.