Switch

In electrical engineering, a switch is an electrical component that can break an electrical circuit, interrupting the current or diverting it from one conductor to another. The mechanism of a switch may be operated directly by a human operator to control a circuit (for example, a light switch or a keyboard button), may be operated by a moving object such as a door-operated switch, or may be operated by some sensing element for pressure, temperature or flow. A relay is a switch that is operated by electricity. Switches are made to handle a wide range of voltages and currents; very large switches may be used to isolate high-voltage circuits in electrical substations.

Description

The most familiar form of switch is a manually operated electromechanical device with one or more sets of electrical contacts, which are connected to external circuits. Each set of contacts can be in one of two states: either "closed" meaning the contacts are touching and electricity can flow between them, or "open", meaning the contacts are separated and the switch is nonconducting. The mechanism actuating the transition between these two states (open or closed) can be either a "toggle" (flip switch for continuous "on" or "off") or "momentary" (push-for "on" or push-for "off") type.

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Bor

Bor may refer to:

Places

Bor (or Bowr), a location in Afghanistan

Bor (Tachov District), a town in Plzeň Region (Tachov District), Czech Republic

Bor, name of several villages in the Czech Republic

Bor, Russia, name of several inhabited localities in Russia

Bor, Catalonia, a village in Cerdanya (comarca), Catalonia, Spain

Bor, Serbia, a town in Serbia

Bor Municipality
Bor District

Bor Municipality

Bor District

Bor County, in South Sudan

Bor, South Sudan, a city in South Sudan

Bor, Sweden, a village in Sweden

Bor, Niğde, a district center of Niğde Province in Turkey

People

Paulus Bor, a Dutch Golden Age painter

Other

Borr, a god in Norse mythology

BoR, a bill of rights

United States Bill of Rights

United States Bill of Rights

Bor fruit, more commonly known as Ber

Matej Bor, the pen name of the Slovene poet Vladimir Pavšič (1913–1993)

Bor rifle, Polish sniper rifle

Bor language (disambiguation), the name of two languages in South Sudan

Bor, a character in The Elder Scrolls V: Skyrim

Boró

Boró is a corregimiento in La Mesa District, Veraguas Province, Panama with a population of 1,757 as of 2010. Its population as of 1990 was 2,158; its population as of 2000 was 1,959.