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The correct response highlights two prominent methods for determining the appropriate personal protective equipment (PPE) for arc flash hazards as identified in NFPA 70E: incident energy analysis and arc flash PPE category.
Incident energy analysis involves calculating the potential energy that could be released during an arc flash incident, measured in calories per centimeter squared (cal/cm²). This method provides a quantitative assessment of the hazards associated with a specific electrical installation. By understanding the level of incident energy, organizations can select PPE that will protect workers from potential injuries resulting from an arc flash event.
The arc flash PPE category method classifies equipment based on the risk of arc flash exposure, as determined by a simplified approach. Each category is associated with specific levels of PPE required to work safely on or near energized equipment. This method streamlines the selection of PPE by linking it directly to the identified hazards based on industry standards, thus ensuring that workers are appropriately protected.
Together, these methods serve to help ensure a safer work environment by providing clear guidelines for the selection of PPE appropriate for the specific electrical hazards encountered in the workplace.