After an arcing event filled a Washington, D.C. subway tunnel with smoke and killed one passenger, investigators struggled to piece together the puzzle. But when the same thing happened just weeks later, they found the evidence they needed.
There are five primary factors that determine the severity of an injury from an electrical arc:
• Distance from the arc
• Absorption coefficient of the clothing worn
• Arc temperature
• Arc duration
• Arc length
Let’s take a c...