electric arc

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Related to Electrical arcing: Arc discharge

electric arc

n.
A luminous discharge of current that is formed when a strong current jumps a gap in a circuit or between two electrodes.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.electric arc - electrical conduction through a gas in an applied electric fieldelectric arc - electrical conduction through a gas in an applied electric field
brush discharge - discharge between electrodes creating visible streamers of ionized particles
corona discharge, corposant, electric glow, Saint Elmo's fire, Saint Elmo's light, Saint Ulmo's fire, Saint Ulmo's light, St. Elmo's fire, corona - an electrical discharge accompanied by ionization of surrounding atmosphere
flashover - an unintended electric discharge (as over or around an insulator)
electrical conduction - the passage of electricity through a conductor
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Gillado said the fire is likely caused by electrical arcing.
Finally, traditional photovoltaic assemblies (PVAs) are composed of hundreds or thousands of small solar cells, each protected with a tile of glass, connected to each other through individual metallic welds, which are then carefully grouted to prevent electrical arcing and attack from the space environment.
Nitrogen is used to reduce the risk that electrical arcing could spark a fire in a fuel tank.
"There was also evidence of electrical arcing in the area of origin," he said, referring to a nearby shop vac, which had been left plugged in.
In addition, there were some "concerns about the possibility of electrical arcing at low pressure from our high voltage differential," Hageman added in the statement.
solid state switching technology applied to this traditional device has resulted in circuit breakers free from electrical arcing and also from switch bouncing, that offer correspondingly very higher level of reliability and longer lifetime as well as faster switching periods.
The damage, known as electrical arcing, is usually in the form of tiny craters and micro welds on the bearing raceway and rolling element surfaces, which results in premature bearing failure.
* Eliminates 99 percent of the electrical arcing that occurs whenever an electromechanical relay (EMR) opens or closes.
The latter presents an electrical wear due to electrical arcing, and a mechanical wear proportional to the number of cycles made by the starter.
NIE's communications manager Julia Carson added: "Smoke and heat from bonfires can cause electrical arcing and sparking and in some cases lines may be brought down by the fire".
After a United 787 flight was diverted in December, top Boeing officials acknowledged a short circuit and electrical arcing on the plane's power panel motherboard.

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