QUINCY, MASS. (WHDH) - MBTA workers have been instructed to place protective covers on top of electrified third rails or turn the power to the rail off during nearby maintenance after an “arc ...

This case study will provide the learnings from an arc-flash event in a 480 V substation. The event created significant equipment damage and injury to one person. Some learnings that will be shared ...

An arc flash is a sudden discharge of energy, connecting a component with the ground or another voltage phase in the same system through the air. This discharge can result from loose connections, ...

Every day, an estimated five to 10 arc flash incidents occur and more than 2,000 people are hospitalized each year, according to The National Fire Protection Association (NFPA). With arc flash and ...

Here's what do know about arc flash.A worker welds a bucket in an equipment shop. He completes his task and pushes his face shield and glasses above his eyes to more clearly observe the work.

An arc flash occurs due to a phase-to-ground or phase-to-phase short circuit. The extreme heat, light, and pressure blasts associated with these events make it necessary to take precautions when ...

In August 2004, Don Johnson, an electrician from Florida, was at work connecting a client’s backup generator for use during an impending hurricane when a failure of his rotation tester or a loose clip ...