An accidental arc discharge from a conductor when its voltage is greater than that which the insulation can withstand.
| 单词 | θ77068 | 
| 释义 | the world > matter > physics > electromagnetic radiation > electricity > discharge of electricity > 			[noun]		 > discharge arc > accidental (2)		 flash-over1892 An accidental arc discharge from a conductor when its voltage is greater than that which the insulation can withstand. sparkover1915 = flash-over, n. | 
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