when a switch is closed that means
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- In switch language, open means to disconnect, or break the circuit. Some people call this turned off. Closed, is to connect, or make the circuit. Some people call this turne … d on. In the case of a normally open switch, the switch is open (off) unless something takes action on the switch. Pushes a button for example, or holds a magnet near the switch, or other active force. A normally closed switch is closed (on) unless some force causes the switch to be opened.
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Direct Current Circuit A Direct Current circuit is a circuit that Electric Current flows through in one direction. DC is commonly found in many low-voltage applications, especially where these are powered by Battery. Most electronic circuits require a DC power supply. A Direct Electric Current flows only when the Electric Circuit is closed, but it stops completely when the circuit is open. A Switch is a device for making or breaking an Electric Circuit. While the Switch is closed, Figure 1(a), the circuit is closed and the Light Bulb turns On; while the Switch is opened, Figure 1(b), the circuit is open and the Light Bulb turns Off.
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Interlock (engineering) For example, to prevent access to the inside of an electric kiln, a trapped key system may be used to interlock a disconnecting switch and the kiln door. While the switch is turned on, the key is held by the interlock attached to the disconnecting switch.hile the key is removed from the switch interlock, a plunger from the interlock mechanically prevents the switch from closing. Power cannot be re-applied to the kiln until the kiln door is locked, releasing the key, and the key is then returned to the disconnecting switch interlock.
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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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What does an OPEN automobile thermostat look like? When they go bad they can stick open or closed. Open means your heater or a/c might not work at it's normal rate, but if it sticks closed you will soon be stopping (with a over-heating car) on the side of the road. Also, if you replace the thermostat, also replace the gasket. Papa-Yogi · 9 years ago. Thumbs up.
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- The definition of closure is the act of closing something, or an end or resolution of something. When a road is not open to the public because it is undergoing repairs, this is an example of a road closure. When you end a relationship and say your final goodbyes, this is an example of closure. closure. closure.
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- TESTED KW3A normally closed microwave door switch. This is a KW3A microwave door switch, normally closed. This has been tested for good continuity, and is in good used condition. This same part number is on switches that are normally open as well, so ...
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What is a relay? Relays are switches that open and close circuits electromechanically or electronically. Relays control one electrical circuit by opening and closing contacts in another circuit. As relay diagrams show, when a relay contact is normally open (NO), there is an open contact when the relay is not energized. When a relay contact is Normally Closed (NC), there is a closed contact when the relay is not energized.
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- 1 In a switch off position the current will not pass through the appliance and it will not work. 2  A simplest switch consists of two contacts, one is fixed and the other is movable.  When the contacts brought together, the switch is closed (switch on) and current is flowing through the circuit.
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What's the difference between port status âLISTENINGâ, âTIME_WAITâ, â CLOSE_WAITâ and âESTABLISHEDâ? FIN_WAIT1 The socket is closed, and the connection is shutting down. FIN_WAIT2 Connection is closed, and the socket is waiting for a shutdown from the remote end. TIME_WAIT The socket is waiting after close to handle packets still in the network. CLOSE The socket is not being used. CLOSE_WAIT The remote end has shut down, waiting for the socket to close.
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Eyes Body language Closing the eyes shuts out the world. This can mean 'I do not want to see what is in front of me, it is so terrible'. Sometimes when people are talking they close their eyes. This is an equivalent to turning away so eye contact can be avoided and any implied request for the other person to speak is effectively ignored.
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Honeywell MPS5 When the magnet is close to the contact, the reed switch is in a closed state and your alarm control panel is happy. If the door or window is opened, the magnet will be separated from the contact, and the internal reed switch will switch to an open state.
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shutdown Switch to new thesaurus. closedown, closing, closure. ending, termination, conclusion - the act of ending something; the termination of the agreement. plant closing - act of shutting down operation of a plant. bank closing - act of closing down a bank because of a fiscal emergency or failure.
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- plural closings. Learner's definition of CLOSING. [count] 1. : a situation or occurrence in which a business or organization shuts down and stops its operations. factory/plant/store closings. the closing of the local school/hospital.
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- Open means your heater or a/c might not work at it's normal rate, but if it sticks closed you will soon be stopping (with a over-heating car) on the side of the road. Also, if you replace the thermostat, also replace the gasket. Papa-Yogi · 9 years ago. Thumbs up.
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- A mercury switch (also known as a mercury tilt switch) is a switch which opens and closes an electrical circuit through a small amount of liquid mercury.Contents.he envelope may also contain air, an inert gas, or a vacuum. Gravity is constantly pulling the drop of mercury to the lowest point in the envelope. When the switch is tilted in the appropriate direction, the mercury touches a set of contacts, thus completing the electrical circuit through those contacts.
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Interlock (engineering) In most applications, an interlock is used to help prevent a machine from harming its operator or damaging itself by preventing one element from changing state due to the state of another element, and vice versa.hile the key is removed from the switch interlock, a plunger from the interlock mechanically prevents the switch from closing. Power cannot be re-applied to the kiln until the kiln door is locked, releasing the key, and the key is then returned to the disconnecting switch interlock.
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Mercury switch Mercury switch. A mercury switch is an electrical switch that opens and closes a circuit when a small amount of the liquid metal mercury connects metal electrodes to close the circuit. There are several different basic designs (tilt, displacement, radial, etc.) but they all share the common design strength of non-eroding switch contacts.
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- Normally Closed Switching Element. Current flows through the switch until it is broken by a pressure or vacuum change. No current flows through the switch until contact is made by a pressure or vacuum change. A pressure scale based on PSIA 0 or a perfect vacuum.
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Definitions &Translations Freebase (0.00 / 0 votes) Rate this definition: 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.
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Kill switch For the video game, see Kill Switch (video game) . For other uses, see Kill switch (disambiguation) . A kill switch, also known as an emergency stop or e-stop, is a safety mechanism used to shut off a device in an emergency situation in which it cannot be shut down in the usual manner.n some contexts, such as nuclear reactors or data centers, the emergency stop is known as a scram switch. In the European Union, most types of machinery are required to be equipped with an emergency stop according to the Directive 2006/42/EC.
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Closed system In nonrelativistic classical mechanics, a closed system is a physical system that doesn't exchange any matter with its surroundings, and isn't subject to any force whose source is external to the system. A closed system in classical mechanics would be considered an isolated system in thermodynamics. Closed systems are often used to limit the factors that can affect the results of specific problem or experiment. In thermodynamics
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Push email From Wikipedia, the free encyclopedia. Push email is an email system that provides an always-on capability, in which new email is actively transferred (pushed) as it arrives by the mail delivery agent (MDA) (commonly called mail server) to the mail user agent (MUA), also called the email client.
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CIRCUITS Switches are like gates that control the flow of electricity in a circuit. When a switch is open, it creates a gap in the circuit and current will not flow. When it is closed, it completes the circuit, and current flows through it.
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What exactly happens when we switch on the computer? A better way of explanation is to explain the fundamental components. A 2 way light switch, because it is a model of the logic circuit known as a half adder, is where I start, when I teach what a computer is. The logic is that if either switch A is on, or switch B is on, but not both, the light is on. If both are off or both are on, the light is off. That is also the program.
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Glossary of Switch Terms Normally Closed: The term given to a switch where a circuit is closed in the normal switch position. Normally Open: The term given to a switch where a circuit is open in the normal switch position. Operating Point: Point at which contacts transfer. Usually measured from the switch mounting holes. Over Travel: The distance an actuator travels after the circuit is closed.
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The Top 10 Reasons Your Garage Door Wonât Work If you can hear your garage door motor running for what seems like the full amount of time it normally would take to open or close the door, but the door doesn’t move, chances are the disconnect switch has been enabled. Every garage door opener comes with a disconnect switch in case you lose power.