Arc Flash Label Vertical Rectangle Number of Printed Sides 1 English Sign Format ANSI/OSHA Format Sign Legend Arc Flash And Shock Hazard Appropriate Ppe Required Incident Energy At 18 Inches (Cal/Cm2) ___ Arc Flash Hazard Boundry ___ Ppe Minimum Arc Rating (Cal/Cm2) ___ Hazard Risk Category (Hrc) ___ ... Sign Legend Background Color White Sign Legend Style Text