Every so often, the electrical industry is able to add to our understanding of what makes a safe, well-designed electrical system. This knowledge can have a profound effect on the way we design, ...

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, ...

Arc flash is defined as an explosive release of energy caused by an electrical arc. Typically, the arc results from either a phase-to-ground or phase-to-phase fault created by many possible events.

There are a lot of misconceptions about arc flash, starting with what it actually is. It is not a flash of light or an arc of fire. It is related to but not the same as electric shock, and there is ...

When electrical equipment must be maintained or repaired while energized, an arc flash hazard may be present. Affected workers need to know what steps should be taken to stay safe. Arc flash warning ...

Sam (the name has been changed) worked for an electric utility. He was working near energized equipment and wearing arc flash gear as he cleaned up oil from a transformer. Because the oil might ...

Using arc-resistant PPE is one of the key strategies for protecting workers from the hazards of arc-flash accidents. Although it wasn’t until the 1800s that Thomas Edison and others figured out how to ...

Arc flashes present a serious hazard involving electrical equipment that is more common than many would believe. Due to OSHA’s reporting requirements for arc ...

Industrial companies have put a greater focus in recent years on addressing a top electrical safety risk: arc flash events. Arc flashes can be created by a wide range of actions, from a dropped tool, ...

Standards and regulations may change, but the danger associated with arc flash hazards remains. Analyzing potential incident energy correctly and understanding what personal protection equipment is ...

Failures can occur in the electrical disconnect switches, fuses or circuit breakers that control, protect and isolate electrical equipment in electrical power systems, also known as switchgear. When a ...