HellermannTyton Pre-Printed Solar Installation Labels are designed to meet the requirements of the National Electrical Code® (NEC®) and the International Fire Code (IFC) as well as being acceptable to the Authority Having Jurisdiction (AHJ). Labels are made with durable UV-stable materials and adhesives that are designed to stick to both baked enameland powder-coated surfaces. Where applicable, labels are made using reflective materials for first responder safety. Some pre-printed labels are printable using a thermal transfer printer when variable voltage or seriesdata must be printed and displayed.