How to connect and install the three-key switch? It's easy! On this I will detail in this video.
Wiring three-key switch.
With a junction box.
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- Wikipedia, the free encyclopedia.
switch Appliance
Household switch - it is a two-position switching device with normally-open contacts are designed to work in networks with voltage up to 1000 V, is not intended to disable the short-circuit current, without special arc suppression devices, local control, with manual transmission.
Other characteristics of the switch, such as the operating current, the degree of moisture, and dust explosion protection (IP), climatic performance, installation method, contact material - defined by the manufacturer, depending on the specific model.
Moreover, the home switch is overdue design concept - for indoor installation (in-wall, flush) or outdoor installation (installed on the wall for open wiring).
Mainly used for turning on and off the lighting (chandeliers, lampshades). For the same purpose in the sale there were switches with soft lighting control: dimmers, dimmers, trimmers.
Kinds
Switches are very diverse in design, their types depend on the purpose of closed electrical circuits, and the amount of current that they can be skipped. In the home, typically are used to switch the voltage to 250 V and a maximum current of 4, 6 or 10 A (and other less common values). The main types (for domestic use).
keyboard
It is familiar to us from the key switch. In Russia, the top position corresponds to the light on the key, and the bottom - off (although sometimes switches accidentally set overturned). It has become a tradition since the invention of circuit breakers due to their design features. A similar orientation of the switch is also accepted in the United States and Canada. In France, Germany, China, England, Australia, New Zealand and Ireland accepted a reverse orientation of the switch when the circuit is closed in the lower position of the keys.
Some switches of this type may also have lights to quickly find them in the dark. When the switch on the light, the light goes out, and with the lights off - steady.
Structurally, are the keys. That is, in one position of the circuit is opened and the other closed.
Pushbutton
This switch, key instead of having a spring-loaded push button. The button can be styled under the key. Then pressing takes place at its lower part.
Structurally, tend to be impulsive, that is just a button. While the button is pressed, the circuit is closed. These buttons are used, for example, in calls. There are also push button switches such as keys that open and close the chain alternately with each press.
U.S. switches type «push-button» are devices having two buttons instead of one. When a button is pressed, the other is forced automatically. These switches are already constructively keys instead of buttons.
lever
Switch, key instead of having the control lever. The design of this switch is patented by William Newton and Morris Goldberg in 1916.
Structurally, are the keys.
Rotary (Rotary)
Swivel handle in one position closes the circuit and opens it in another. Structurally, are the keys. Example - type GHG switch.
Corded
They are also called rope, in the jargon - "dёrgalkami". Switching on and off of light occurs by pulling the cord from the breaker enclosure. Structurally, it can be both keys and buttons, and even mechanical "two-bit binary counter," capable of consistently taking the state 00, 01, 10, 11, then 00 again, and so on. Unreliable. When the output of switch failure owners often replaced by an electric cord, which at the end of a normal switch for open wiring on an insulating base.
Sensory
These switches do not require a mechanical action on a control organ. The impact of the switch takes place when it is touched. Structurally can be both keys and buttons.
19 янв 2017
