Such persons shall also be familiar with the proper use of special precautionary techniques,personal protective equipment, insulating and shielding material!, and insulating tools and test equipment. Qualified Employees (per NFPA 70E, 2000 Edition, Standard for Electrical Safety Requirements for Employee Workplaces) – a qualified person shall be trained and knowledgeable of the construction and operation of equipment or a specific work method, and be trained to recognize and avoid the electrical hazards that might be present with respect to that equipment or work method. DefinitionsĪrc Flash Boundary (ARC) – is the distance at which an electrical arc can flash outward, which may endanger employees working on electrical equipment.įlash Protection Boundary (FPB) – the calculated safe working distance from electrical equipment which would not expose the employee to the hazards associated with an electrical arc flash.Įlectrical Assessment– an analytical evaluation which would calculate the arc flash potential of an electrical component 1 hazard, used to establish the flash protection boundary and the correct level of required PPE, determined by an electrical engineer or the equivalent. Extended medical care is often required, sometimes costing in excess of $1,000,000. It’s not uncommon for an injured employee to never regain their past quality of life. Three factors determine the severity of an arc flash injury:īecause of the violent nature of an arc flash exposure when an employee is injured, the injury is serious – even resulting in death.
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