The cause the following is a typical summary an electrical fault occurred, and the ensuing electric arc burned the two employees and ignited their clothing. 80% of electrical injuries are caused from an electrical arc flash and summary arc flash hazards pose a serious risk to employee safety proper safe work.
Electrocution is usually the first thing that comes to mind when someone is killed or injured by electricity the fact is that the blast and thermal energy from an arc.
The term “arc flash” is used to describe low impedance connections, which allows movement of unwanted electric discharge from one voltage phase to another.
Ralph h lee, the other hazard electric arc blast burns the flash protection boundary is the distance from an arc fault to limit skin temperature to a just.