3/15/2024 0 Comments Definition of arc flash boundary“Hazard” And “Risk” – These Are Now Two Distinct Terms. This is being done in order to move away from using the hazard category number for determining the required PPE. The new table is designed to identify required arc flash PPE by its energy rating instead of by category number. PPE Tables For Use With Incident Energy CalculationsĪ new table is available to help employers determine what PPE should be specified on arc flash labels. It specifies that the “arc flash boundary” either be calculated or be obtained from the applicable Hazard/Risk Category Table. Z462-12 provides a definition of the “arc flash boundary” as establishing a hazard zone (a conceptual boundary) around potentially hazardous electrical equipment.
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