Joseph Weigel, Square D Services, Nashville, TN, and Jonathan Clough, Square D Services, Spokane, WA

Articles

Arc Flash & Electrical Safety September 10, 2003

Minimizing the risk of arc flash incidents

As employees work on or near energized equipment, movement near or contact with conductors or circuits, such as dropping a part or tool, may cause a phase-to-ground or a phase-to-phase fault. Also, an equipment failure that could produce a spark or arc could trigger an arcing fault. The resulting arc establishes plasma, which has a much higher degree of electrical conductivity than air.

By Joseph Weigel, Square D Services, Nashville, TN, and Jonathan Clough, Square D Services, Spokane, WA