Analysis of Visual Characteristics of Short-circuited Arc Sites

Abstract Identifying the cause of fire at a site is an important prevention measure to prevent recurrence. In particular, information about molten marks copper wire essential check whether electric power being supplied site. This study aims analyse visual characteristics arc sites formed by short circuit identify When occurs, electromagnetic force generated current, and repulsion contact arc. this study, effects forces, which act on short-circuited melted area, formation were investigated. Copper experimentally fabricated, based that was applied area identified classified features. The results showed affected both resulting in differences between flame-melted ones, are gravity molecular force. These provide theoretical basis for discriminating validity verified via comparative analysis using shape cross-sectional microstructure collected