The arc flash PPE category method applies to assets such as 480-volt panelboards.

• A. True
• B. False
• C. Not specified
• D. Only for low voltage

Answer: (A)

The arc flash PPE category method is a practical way to choose protective clothing based on the level of arc flash hazard for energized work, using a table that maps tasks and conditions to a minimum PPE category. This approach is designed for equipment up to 600 volts nominal, which includes 480-volt panelboards. Since 480 V systems can produce significant arc energy, using the category method allows you to quickly determine the minimum category of arc-rated clothing, face protection, and other PPE needed at a given working distance without performing a full incident energy calculation. The category method is a standard, widely used approach for many common tasks on low- to medium-voltage equipment like 480 V panelboards. If a more precise assessment is required, you can still perform an incident energy calculation, but for typical work on 480 V equipment, applying the PPE category method is appropriate and correct.