Light switches control the light fixtures in your home. Good designers will locate these in easily reached wall positions where you first enter or leave a room. Most light switches are simple bi-pole (on/off) devices. Some are actually rheostats, or dimmers, Dimmers can be used to lower or raise the output level of the light fixtures.
Specialty Light Switches
Motion or light level sensors. Use motion sensors to automatically operate area flood lights. Air switches. Use air switches to remotely control appliances from locations where electric wiring is impossible. An example would be the button switches for disposers that are located on countertops. They are also great for turning on hot tubs or bathtub jets. Light-level or photo-cell switches automatically turn lights on when it gets dark and off when it become the light level is bright.
In the late 1980’s Vantage Corporation came out with the first commercially successful computerized lighting control system. Since then whole house control technology has been steadily advancing. Today several serious players are offering extremely sophisticated product lines to the home market. Just about anything in your home (locks, blinds, fire pits, heating systems, pools, and on and on) can now be controlled by your phone or an iPad from anywhere in the world.
Control systems are especially attractive for large and complex homes where large numbers of accessories must be controlled. One drawback is it usually requires a professional to program and maintain these systems.