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.
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
References in periodicals archive ?
Hazard: Electrical arcing may cause the lamp to overheat and melt, posing a burn hazard.
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.
For safe and reliable distribution of electricity, Industrial Solutions Arc Vault Protection System can stop an electrical arcing fault in in less than 7 milliseconds a fraction of the time that conventional systems require.
Hours of use, combined with water intrusion, caused electrical arcing and ultimately a fire.
The Justice Department said Guidant discovered in 2002 that its Ventak Prizm 2 DR was prone to electrical arcing, which could keep the device from responding when the patient suffered irregular heart rhythms.
Standard electromechanical relays are subject to electrical arcing that shortens their life.
They offer insulating properties to prevent electrical arcing and associated surface damage to raceways, remove noise, and prevent premature lubricant aging.
This leads shunts to pull away from the tank shell, eliminating the grounding connection that prevents the electrical arcing fire hazard.
These hybrid ball bearings combine traditional steel rings matched with silicon nitride (ceramic) balls to provide natural insulating properties and prevent electrical arcing.
In response, The Hartford Steam Boiler Inspection and Insurance Company (HSB) offers customized farm equipment breakdown coverage for losses from mechanical breakdown, electrical arcing, or short circuits as well as spoilage, lost income and other equipment breakdown-related expenses.
Approximately 45 minutes into the flight, while established in the orbit at 240 knots indicated air speed, the flight crew heard a loud pop in the pilot's overhead panel and noticed severe electrical arcing, smoke, flames and burning debris falling from the panel.

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