What is Arc Flash?
June 10, 2009 by Jeff
Filed under Arc Flash, Definitions, Featured
An arcing fault, which is the cause of an arc flash is described below.
Arcing faults (an Arc Flash) are defined as high-impedance faults, since any fault current must travel through air, as opposed to the low-impedance path normally associated with a short circuit. A short circuit study of the electrical system is required to determine [...]
Arc Flash Hazard
April 10, 2008 by Jeff
Filed under Definitions
When an electric current passes through air between ungrounded conductors or between ungrounded and grounded conductors, the temperatures can reach 35000F.
Exposure to these extreme temperatures both burns the skin and causes the ingnition of clothing. Each year more than 2000 people are admitted to burn centers with severe arc-flash burns.
An arc-flash can and do [...]