switches definition
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switch electrical switch. Thesaurus. Definitions of electrical switch. 1. n control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit. switch for reversing the direction of an electric current. a switch that interrupts an electric circuit in the event of an overload.
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Switchgear This circuit breaker uses both SF6 and air as insulation. In an electric power system, switchgear is the combination of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment. Switchgear is used both to de-energize equipment to allow work to be done and to clear faults downstream. This type of equipment is directly linked to the reliability of the electricity supply. The earliest central power stations used simple open knife switches, mounted on insulating panels of marble or asbestos.
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switch 1610s, to strike with a switch, from switch (n.). Related: Switched; switching. The meaning turn off or on is first recorded 1853 of trains on tracks, 1881 of electricity, 1932 of radio or (later) television. Sense of shift, divert is from 1860. Meaning to change one thing for another is recorded from 1919.
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- Cisco switches (network switches) deliver performance and security. Cisco switches are scalable and cost-efficient and meet the need for any size of business.
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Burdens of Proof in Criminal Cases And despite the general rule that the prosecution bears the burden of proof, there are instances when the burden shifts to the defendant. (For more on beyond a reasonable doubt and other issues of proof, see Legal Standards of Proof.) Shifting Sands of Burden When the prosecution establishes a fact that tends to prove an element of a crime, the burden essentially switches to the accused, not necessarily to disprove the fact, but to raise a doubt about it.
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Significance of avidity and immunoblot analysis for rubella IgM-positive serum samples in pregnant women Five hundred and twelve consecutive serum samples, positive by screening EIA for rubella-specific IgM, were collected from 449 pregnant women over a period of 3 years. The sera were referred by microbiologists and medical laboratories for further evaluation.
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UNITED STATES DEPARTMENT OF LABOR Switch, isolating-A switch intended for isolating an electrical circuit from the source of power. It has no interrupting rating and is intended to be operated only after the circuit has been opened by some other means. Switch, knife-A switch in which the circuit is closed by a moving blade engaging contact clips. Switch, motor-circuit-A switch, rated in horsepower, capable of interrupting the maximum operating overload current of a motor of the same horsepower rating as the switch at the rated voltage.
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Best Ethernet Switches of 2018 â The Best Managed, Unmanaged and Web-Smart Switches An Ethernet switch is a networking device that connects a large variety of devices (like IP cameras, computers and even other switches) into a common network and it uses the packet switching technology to receive, process and eventually forward the data to the destination client.
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switch Definition of switch for Students 1: a device for making, breaking, or changing the connections in an electrical circuit 2: a change from one thing to another
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Comments: Hub vs Switch Function of a switch vs. a hub. A switch is used to connect various network segments. A network switch is a small hardware device that joins multiple computers together within one local area network (LAN). A Hub connects multiple Ethernet devices together, making them act as a single segment.
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Ask Chris: What is the difference between contactors, motor starters, relays and circuit breakers? Switches have the following limitations in an electrical system: 1  They are usually manually operated, which means someone must be present to energize or isolate a system. 2  They are typically very slow. 3  They are not typically designed to open a large amount of current.
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Switch Types Chapter 4 - Switches. An electrical switch is any device used to interrupt the flow of electrons in a circuit. Switches are essentially binary devices: they are either completely on (“closed”) or completely off (“open”). There are many different types of switches, and we will explore some of these types in this chapter.
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Switch Statement Switch Statement. Definition - What does Switch Statement mean? A switch statement, in C#, is a selection statement that allows for the transfer of program control to a statement list with a switch label that corresponds to the value of the switch expression.
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Switch Bottom, left to right: wall switch (U.S. style), miniature toggle switch, in‑line switch, push-button switch, rocker switch, microswitch. 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.
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Top, bottom and versatile Versatile, also known as a switch, refers to a person who enjoys both topping and bottoming, or being dominant and submissive, and may alternate between the two in sexual situations. Flip-flop commonly describes switching from top to bottom during one sexual encounter between two men.op [edit]. The man on the right is the top and the man on the left is the bottom. A top is usually a person who engages in the penetrative role during sexual activity; for men who have sex with men (MSMs) , this often involves penetration using the penis during anal or oral sex.
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- Company Name: Hormel Foods Corporation / company logo. Hormel Foods Corporation is a food company based in southeastern Minnesota (Mower County), perhaps best known as the producer of SPAM luncheon meat. The company was founded as George A. Hormel & Company in Austin, Minnesota, U.S., by George A. Hormel in 1891.
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Pressure switch Murphy oil pressure gauges with switches that activate on low pressure. A pressure switch is a form of switch that closes an electrical contact when a certain set pressure has been reached on its input. The switch may be designed to make contact either on pressure rise or on pressure fall.
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- Transfer switch. A transfer switch is an electrical switch that switches a load between two sources. Some transfer switches are manual, in that an operator effects the transfer by throwing a switch, while others are automatic and trigger when they sense one of the sources has lost or gained power. An Automatic Transfer Switch is often installed where a backup generator is located, so that the generator may provide temporary electrical power if the utility source fails.
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- Freebase(0.00 / 0 votes)Rate this definition: In an electric power system, switchgear is the combination of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment. Switchgear is used both to de-energize equipment to allow work to be done and to clear faults downstream.
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Definition of 'switch' Switch over means the same as switch. ...a professional man who started out in law but switched over to medicine. If you switch your attention from one thing to another or if your attention switches, you stop paying attention to the first thing and start paying attention to the second.
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- Types of Switches. In electrical and electronic system, a switch is a device, which can make or break an electrical circuit or we can say that switch is a controlling device, which interrupt the flow of current or direct the flow of current in another direction.
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POWERING THE FUTURE OF THE CONNECTED WORLD Â® Switch is a global technology infrastructure company whose core business is the design, construction and operation of ultra-advanced data centers, enabling the most powerful technology ecosystems on the planet.
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- The function of a switch is to break and connect the flow of electricity.
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- Define switchbacks. switchbacks synonyms, switchbacks pronunciation, switchbacks translation, English dictionary definition of switchbacks. n. 1. a. A sharp bend in a road or trail on a steep incline. b. A point on a mountain railway where trains reverse direction to continue obliquely up or...
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Lessons In Electric Circuits -- Volume I With electrical switches, these terms have opposite meaning: open means no flow while closed means free passage of electrons. 1  REVIEW: 2  Resistance is the measure of opposition to electric current. 3  A short circuit is an electric circuit offering little or no resistance to the flow of electrons.
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Encyclopedia Definition of:Ethernet switch. A central hub wired to every computer and network device in an Ethernet. In the home and small office, an Ethernet switch is built into the router (see wireless router). 10/100 and 10/100/1000.