Varieties of Electrical Switches

Because light switches contain moving parts, they eventually should be replaced when they either wear out or don’t operate reliably. The reason for most light switch problems can usually be traced to the metal arm within the switch. This metal arm moves up and down when the switch is operated. Eventually the arm looses its resistance, or breaks off. Several several types of switches exist, all designed for various purposes. Whether replacing a defective switch or merely replacing an existing switch with a different design, there is probably a switch that will work best in your particular purpose.

Single Pole Switch

Wireless White 1 Gang 1 Way Touch On Off Switch For Lamps 86The one pole switch is definitely the most typical type of electrical switch, and is used when a light fixture is controlled from one switch location only. This type of switch can also be the simplest switch design. The toggle lever moves vertically to either connect or disconnect the recent wires attached to its terminals.

Dimmer Switch

Contrary to popular belief, a dimmer switch actually doesn’t decrease the quantity voltage which reaches the sunshine bulb. A dimmer switch instead regulates the amount of time that the sunshine is one. The light actually turns the sunshine on and off extremely quickly. The greater the delay, the lower the light level. It’s because the sunshine flashes faster than our eye can respond that the switching goes undetected. Dimmer switches are popular in bedrooms and dining rooms, where lower light levels are commonly desired. However, dimmer switches might be utilized in any room and may actually lower the electric bill.

Timer Switch

Timer switches are designed to turn on or off after a determined amount of time, and are commonly used for controlling bathroom vent fans to make sure that the moist air is completely evacuated, and some kinds of exterior lights, such as landscape and security lighting. There are generally two forms of timer switches: dial-type and push-button type. Dial-types feature a single knob and a series of numbers which surround the knob, very similar to a clock. The dial is solely twisted to the desired length of time, then the knob slowly turns back to its starting position, which is when the light turns off. Push-button timers feature several buttons, each programmed for a specific length of time, and are activated by simply pressing the specified button.

“Keychain” Switch

“Keychain” switches, also known as remote switches, are commonly used where safety is a concern, as they allow the user to show a light on before entering the home. The switch is activated with a small remote control, which is typically stored on a keychain. The actual switch is plugged into a normal receptacle where a lamp would normally be plugged into. The lamp is plugged into the underside of the switch, then the lamp is turned on. Once programmed, the switch will activate the lamp when it receives the signal emitted by the remote control.

Wireless Switch

A wireless switch is an inexpensive alternative to moving an exiting switch located in an inconvenient place, which can take several hours. The existing switch is replaced with a box which contains a radio receiver. A control box, which looks like a standard single pole switch, can then be mounted to any location within approximately 50 feet of the receiver with double sided tape. When the switch on the control box is flipped, it sends a signal to the radio receiver, which then sends power to the electrical device.

Home Wiring and Plumbing; Creative Publisher; 2006
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