The National Marker Company sign with the legend “AED – Automated External Defibrillator” is designed to inform all personnel of the proper location of an AED in a facility. It is often used in hospitals to allow quick access to physicians during life threatening scenarios. The legend is printed in bold and legible text to ensure better visibility even in poor lighting conditions. Such signs are used to communicate identification, location, and direction and can be seen from various angles for extra visibility. They are mostly hung along hallways, stairways, corridors, and doorways.