Arc Flash Protection Levels Explained: From 40 Cal to 140 Cal Suits Explore the key differences between 40, 65, 100, and 140 cal arc flash suits. Learn how each protection level safeguards electrical workers, when to use a 140 cal suit, and why proper PPE selection ensures safety and compliance in high-risk environments. Click Here - https://www.boozkie.com/news/arc-flash-protection-levels-explained-from-40-cal-to-140-cal-suits-12181