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//&#;&#;Table (C)()(A)(b) identifies the categories for AC systems, while Table (C)()(B) identifies the categories for DC systems. Within each of these two tables, the columns are the same; the first column is the equipment type, the next column is the arc flash PPE category and the last column is the boundary.

//&#;&#;They leave it up to the employer to specify what PPE must be worn. There was some commentary suggesting that in cases where the arc flash hazard was below the minimum (OSHA also set the floor at cal/cm^ rather than cal/cm^, following an earlier NESC edition), that nonmelting work clothes would be acceptable. This was rejected.

It provides protection from cal/cm &#;, so it is insufficient for staying safe from any type of arc flash. CAT This is arc rated fire-resistant shirts and pants, or a arc rated fire resistant coverall. It consists of just one layer of true personal protection equipment, and is rated to provide arc rating of cal/cm &#;.

//&#;&#;The top arc flash terms you need to know now. Be up to date with the most recent arc flash industry. It's new from the National Safety ... The most common categories are CAT and CAT , but CAT and CAT also exist. The arc rating of a garment determines which CAT.