arc flash
English
![](Images/wiktionary/24_Million_Watt_high_speed_flash_through_welding_lens.jpg.webp)
A controlled arc flash produced by a flashtube.
Noun
arc flash (countable and uncountable, plural arc flashes)
- (electrical engineering) The extremely intense light and heat produced by a high-energy electric arc.
Related terms
- arc blast
- arc fault