What is really required with arc flash labels? What are the NFPA 70E arc flash labeling requirements. How can you simplify the labeling process? NFPA 70E 130.5(H) defines the minimal information for arc flash (equipment) labels. There are many other factors to consider such as colors, signal words, additional information, minimal information and more. This program discusses the requirements, and provides simplification strategies for arc flash labels and how to minimize the need to re-label.