HellermannTyton NEC 2017 Reflective Solar Labels are designed to be easily visible to responders who are looking to identify and isolate the PV system. These pre-printed solar labels are visible through smoke and in darkness using reflected light. The NEC 2017 solar labels operate within the -40°C to 79°C temperature range. These solar labels are made with UV-stable inks and materials for durability and weather resistance. The NEC 2017 solar labels comply with the National Electrical Code (NEC) and the International Fire Code (IFC) regulations.